6.4×0.2+3.6×0.2＝ 6.25×8＝
（1.5+0.25）×4＝ 2.14－0.9＝
2.87÷0.7＝ 1.2×0.4+1.3×0.4＝
7.2×0.3+2.8×0.3＝ 4.9÷3.5＝
4.2÷3.5＝ 0.75×4＝
2.4×2.5＝ 0.36÷12＝
8.8÷2.2＝ 7.5×2.5×4＝
0.65×1.02＝ 3.9+2.03＝
1.23÷3＝ 3.2÷1.6＝
0.05×0.8＝ 500×0.01＝
64.32÷16＝ 2.56－0.37＝
3.5+3.5×3＝ 0.99+1.8＝
16÷1.6＝ （1.25+0.36）×0.2＝
1.5×0.4＝ 72.8÷0.8＝
0.9÷0.01＝ 5.4－2.5－1.4＝
1.25×0.8×0.5＝ 1.7+0.43+3.3＝
12÷0.3＝ 5.6×1.01＝
99×0.35＝ 7÷0.25＝
4.2÷0.1＝ 1 2－6.2－3.8＝
0.1×0.02＝ 3.5+7.6＝
6.3+3.7＝ 25×0.8＝
7－1.9－4.1＝ 12－9.9＝
14÷28＝ 1.6×9+1.6＝
3×1.4＝ 5×1.02＝
2.3÷5＝ 232－195＝
1.5+1.6=
27.5+0.25=
25/0.25=
1.7+23=
51/0.17=
43-0.3=
97.5+2.25=
10.5/1.5=
40*0.025=
49/0.7=
1.1+999.9=
4.8*0.625=
25.3+17=
94-9.4=
7.25+8.45=
96/1.6=
43.25+42.25=
52+1.8=
41.5+9.5=
61.5/0.5=
72/0.24=
92*0.5=
12/0.006=
52/(0.8+0.6)=
20.5+(42.5-61)=
4.8*0.375*1.25=
(62/3.1)-19.875=
(54/0.25)-21.6-194.4=
62.5/(8+54.5)=
111+9.9-120.8=
62.5-30.5/0.5=
1.5+1.6=
27.5+0.25=
25/0.25=
1.7+23=
51/0.17=
43-0.3=
97.5+2.25=
10.5/1.5=
40*0.025=
49/0.7=
1.1+999.9=
4.8*0.625=
25.3+17=
94-9.4=
7.25+8.45=
96/1.6=
43.25+42.25=
52+1.8=
41.5+9.5=
61.5/0.5=
72/0.24=
92*0.5=
12/0.006=
52/(0.8+0.6)=
20.5+(42.5-61)=
4.8*0.375*1.25=
(62/3.1)-19.875=
(54/0.25)-21.6-194.4=
62.5/(8+54.5)=
111+9.9-120.8=
62.5-30.5/0.5=
1.5+1.6=
27.5+0.25=
25/0.25=
1.7+23=
51/0.17=
43-0.3=
97.5+2.25=
10.5/1.5=
40*0.025=
49/0.7=
1.1+999.9=
4.8*0.625=
25.3+17=
94-9.4=
7.25+8.45=
96/1.6=
43.25+42.25=
52+1.8=
41.5+9.5=
61.5/0.5=
72/0.24=
92*0.5=
12/0.006=
52/(0.8+0.6)=
20.5+(42.5-61)=
4.8*0.375*1.25=
(62/3.1)-19.875=
(54/0.25)-21.6-194.4=
62.5/(8+54.5)=
111+9.9-120.8=
62.5-30.5/0.5=
123+25=148 123-35=88 56×7=392 135÷5=27
248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...
456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47...
879+54=933 ...896-546=350 ...56×12=672. 45-5=9...
457+456=913...
7+14=21 ... 18-9=9...
8+16=24 ... 25-5=20...
9+18=27... 56-45=11...
10+20=30... 45-23=22...
11+22=33... 78-23=55...
12+24=36...
10-3=7
15-4=11
20-5=15
25-6=19
30-7=23
35-8=27
40-9=31
45-10=35
50-11=39
55-12=43
60-13=47
65-14=51
70-15=55
75-16=59
80-17=63
85-18=67
90-19=71
95-20=75
100-21=79
105-22=83
110-23=87
115-24=91
120-25=95
125-26=99
130-27=103
13+26=39...
14+28=42...
15+30=45...
16+32=48...
17+34=51...
18+36=54...
19+38=57...
20+40=60...
21+42=63...
22+44=66...
23+46=69...
24+48=72...
25+50=75...
26+52=78...
27+54=81...
28+56=84...
29+58=87...
30+60=90...
31+62=93...
32+64=96...
33+66=99...
5 ÷1 =5
10 ÷2 =5
15 ÷3 =5
20 ÷4 =5
25 ÷5 =5
30 ÷6 =5
35 ÷7 =5
40 ÷8 =5
45 ÷9 =5
50 ÷10 =5
55 ÷11 =5
60 ÷12 =5
65 ÷13 =5
70 ÷14 =5
75 ÷15 =5
80 ÷16 5
85 ÷17 5
90 ÷18 5
95 ÷19 5
100 ÷20 5
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
12÷3/5=12×（ 5/3） 9÷6/7=9×（ 7/6 ） 30÷5/6=30×（6/5 ） 4×（3/2 ）=4÷2/3 （ 4 ）÷5/7=4×7/5 3÷4/5=3×5/4 （ 24 ）÷7/16=24×（16/7 ） A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/4 10×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
17×40＝680, 100－63＝37, 3.2＋1.68＝4.88, 2.8×0.4＝ 1.12
14－7.4＝6.6, 1.92÷0.04＝48, 0.32×500＝160, 0.65＋4.35＝ 5
10－5.4＝4.6, 4÷20＝0.2, 3.5×200＝700, 1.5－0.06＝1.44
0.75÷15＝0.05, 0.4×0.8＝0.32, 4×0.25＝1, 0.36＋1.54＝2
1.01×99＝99.99, 420÷35＝12, 25×12＝300, 135÷0.5＝270
3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5
0.51÷17＝0.03, 32.8＋19＝51.8, 5.2÷1.3＝4, 1.6×0.4＝ 0.64
4.9×0.7＝3.43, 1÷5＝0.2, 6÷12＝0.5, 0.87－0.49＝0.38
3.4－1.4= 7.82－7.2= 2.19＋9.1=
10.1－0.89= 0.68＋0.42= 8.1－5.1=
0.728－0.24= 0.8＋0.18= 0.89－0.25=
1－0.98= 0.048＋0.52= 5×400=
19.9+11.1= 187÷1000= 1+3.89=
0.081×10= 75÷10= 0.96÷0.8=
0.8×7＝ 1.5×7＝ 1.32×8＝
0.7×8＝ 10.3×2＝ 5×0.6＝
0.9×0.3＝ 3.5×0.2＝ 2.01×0＝
10×0.05＝ 0.13×7＝ 0.21×100＝
0.7×4＝ 0.05×4＝ 4×0.3＝430-250= 0.17+0.06= 1.02-0.09=
7200÷800= 0.17+0.6= 0.83-0.6=
17×300= 0.98-0.09= 0.2+0.78=
600×700= 10.2+0.02= 0.15+0.7=
670+250= 10.2+0.2= 9.2-6=
8500÷500= 3.2-3.2= 3.7+2.3=
25×100= 3.2-0.32= 2+2.8=
380-290= 0.35+0.5= 0.35+0.63=
3500÷70= 3.1+3= 3.8+0.38=
7500÷250= 3.8+1= 0.95-0.05=
450+780= 3.1+0.3= 3+0.3=
630÷9= 4.5-0.4= 9.5-5=
330×9= 9.53-1.53= 9.5-0.5=
3.5+2.4= 1-0.95= 0.3+0.27=
0.47+0.13= 4.5+4= 4-0.6=
0.95+0.05= 2.5+3.2= 0.74+0.16=
23×100= 9.8-4.8= 480÷40=
0.53÷100= 5.1+2.3= 125×80=
0.078÷10= 0.52+0.4= 70×12=
0.25×100= 3.4-2.8= 0.6-0.37=
0.052×10= 10+0.08= 1-0.75=
0.5×1000= 7.82+0.3= 13.5+6.5=
3.05×100= 1.2-0.8= 21.6-12.6=
63÷100= 0.83-0.5= 0.76+0.14=
80÷1000= 2.7+0.4= 0.72-0.43=
30×100= 0.92-0.2= 3.5+4.8=
3.5+2.4= 5+0.07= 1-0.61=
0.47+0.23= 0.25+0.75= 3.7+0.33=
0.51+0.33= 1-0.6= 8-4.6=
5.8-3.6= 0.52+0.4= 6.45+5.5=
4.5-1.3= 3.4-2.8= 9.53-1.53=
8.8-6.7= 10+0.08= 9.5-7.3=
7.2+0.8= 7.82+0.3= 8.8-6.7=
9.5-7.3= 1-0.95= 3.4-2.8=
0.96-0.35= 9.53-1.53= 0.25+0.75=
1.2-0.8= 0.83-0.5= 2.7+0
12.5×8＝ 2.3×4＝ 3.25×0＝
0.4×50＝ 30×0.1＝ 2.6×3＝
4.1×2＝ 0.35×0.2＝ 7.5×0.1＝
2.5×2= 0.5×10= 0.6×8= 2.1×2=
2.8×10= 0.7×0.8= 0.04×20= 5.6+0.4=
4.7+2.3= 4.5×2= 6.9－2.5= 7.2×0.8=
6×3.4= 0.62－0.32= 1.4×0.5= 0.75×100=
0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100=
0.75÷0.25= 0.125×8= 4.8÷0.3= 0.86÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.7×9=
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7－3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64+4.1=
10÷20= 24÷15= 8.65×10= 0.35×0.6=
3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=
0. 56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=
7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9.6÷0.8= 5×0.24= 4.5－0.05=
3.9÷0.13 16.5÷0.5= 5×0.12= 24×0.5=
4.8×0.5= 2.8＋4.2= 0.84÷2.1= 5÷0.25=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
0.56÷0.8= 7.4－2.8= 0.18÷0.2= 0.16÷8=
4.5×0.02= 8＋7.2= 1.2×30= 0.012×0.2=
7.3×0.3= 0÷6= 3.6÷0.12= 7.8÷0.6=
2÷5= 4.5＋5= 0.3÷0.6= 0.96÷0.2=
10.5×0.4= 7.3＋0.27= 8×0.125= 0.54÷0.6=
0.61＋0.39= 0.56÷28= 10÷20= 4.08÷0.4=
10－9.4= 0.8×0.11= 7.2＋12.8= 5.6÷0.01=
2.3×100= 0.75×100= 0.108÷2= 10.8÷9=
7.8÷0.01= 5.4÷0.6= 3÷5= 7×0.62=
12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100=
0.41＋3.7= 0.02×0.5= 7.2－0.8= 1.4×0.5=
84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2=
1.75＋32.5= 16－5.07= 5.2÷13= 1.64÷41=
1.02×0.2= 0.26×0.3= 8.4×0.02= 1.2×6=
0.8×0.05= 12.6÷0.03= 8.71÷0.1= 21÷0.21=
0.8×0.13= 0.34÷17= 8.08÷0.4= 0.5×2.2=
1.24×4= 3.27＋0.63= 5.02×0.3= 0.3×0.5=
5.6÷7= 72÷ 7.2= 0.7÷0.35= 0.7÷1.4
0.48÷0.04= 1.25÷2.5= 5.5＋5.5= 16.8÷8=
0.54＋2.2= 3.5－0.05= 2÷0.02= 0.25×40=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
46.5＋52.5= 0.45×102= 1.25×88= 2.64＋3.85＋1.54=
8×1.25= 7÷3.5= 4.2÷0.7÷6= 0.4×8.6×25=
0.27÷0.3= 2.5×101= 0.65×101－0.65= 2.6×7÷2.6×7=
0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
2.5×2= 0.5×10= 0.6×8= 2.1×2=
0.61＋0.39= 0.56÷28= 10÷20= 4.08÷0.4=
1.2×0.3 = 6.6÷1.1 = 4.9÷7= 0÷0.48=
2.5×2= 0.5×10= 0.6×8= 2.1×2=
2.8×10= 0.7×0.8= 0.04×20= 5.6+0.4=
4.7+2.3= 4.5×2= 6.9－2.5= 7.2×0.8=
6×3.4= 0.62－0.32= 1.4×0.5= 0.75×100=
0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100=
0.75÷0.25= 0.125×8= 4.8÷0.3= 0.86÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.7×9=
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7－3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64+4.1=
10÷20= 24÷15= 8.65×10= 0.35×0.6=
3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=
0. 56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=
7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9.6÷0.8= 5×0.24= 4.5－0.05=
3.9÷0.13 16.5÷0.5= 5×0.12= 24×0.5=
4.8×0.5= 2.8＋4.2= 0.84÷2.1= 5÷0.25=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
0.56÷0.8= 7.4－2.8= 0.18÷0.2= 0.16÷8=
4.5×0.02= 8＋7.2= 1.2×30= 0.012×0.2=
7.3×0.3= 0÷6= 3.6÷0.12= 7.8÷0.6=
2÷5= 4.5＋5= 0.3÷0.6= 0.96÷0.2=
10.5×0.4= 7.3＋0.27= 8×0.125= 0.54÷0.6=
0.61＋0.39= 0.56÷28= 10÷20= 4.08÷0.4=
10－9.4= 0.8×0.11= 7.2＋12.8= 5.6÷0.01=
2.3×100= 0.75×100= 0.108÷2= 10.8÷9=
7.8÷0.01= 5.4÷0.6= 3÷5= 7×0.62=
12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100=
0.41＋3.7= 0.02×0.5= 7.2－0.8= 1.4×0.5=
84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2=
1.75＋32.5= 16－5.07= 5.2÷13= 1.64÷41=
1.02×0.2= 0.26×0.3= 8.4×0.02= 1.2×6=
0.8×0.05= 12.6÷0.03= 8.71÷0.1= 21÷0.21=
0.8×0.13= 0.34÷17= 8.08÷0.4= 0.5×2.2=
1.24×4= 3.27＋0.63= 5.02×0.3= 0.3×0.5=
5.6÷7= 72÷ 7.2= 0.7÷0.35= 0.7÷1.4
0.48÷0.04= 1.25÷2.5= 5.5＋5.5= 16.8÷8=
0.54＋2.2= 3.5－0.05= 2÷0.02= 0.25×40=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
46.5＋52.5= 0.45×102= 1.25×88= 2.64＋3.85＋1.54=
8×1.25= 7÷3.5= 4.2÷0.7÷6= 0.4×8.6×25=
0.27÷0.3= 2.5×101= 0.65×101－0.65= 2.6×7÷2.6×7=
0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
2.5×2= 0.5×10= 0.6×8= 2.1×2=
0.61＋0.39= 0.56÷28= 10÷20= 4.08÷0.4=
1.2×0.3 = 6.6÷1.1 = 4.9÷7= 0÷0.48=
78×100＝ 0÷150＝ 32÷0.4＝ 1300×300=
2.6×100＝ 150÷15＝ 32×0.4＝ 2600÷100＝
32.8÷8＝ 1.64÷4＝ 300÷60＝ 18×700=
400÷80＝ 64÷4＝ 360÷20＝ 420÷70＝ 19×4＝ 540÷90＝ 74÷2＝ 360÷40＝
270÷30＝ 540÷60= 57÷19＝ 70÷70＝
400÷50＝ 350÷70＝ 810÷90＝ 430÷5＝
6.6÷1.1＝ 7.6÷4＝ 1.54÷0.22＝ 4800÷200= 1.89÷0.63＝ 3600÷180= 128÷3.2＝ 110÷55＝
32.8÷41＝ 750×0.5= 4.32÷0.8＝ 960÷12＝
200÷40＝ 420÷30＝ 142÷71＝ 560÷80＝
60×0.02＝ 660÷30＝ 480×0.8＝ 72÷4＝
0.63÷21＝ 6400÷800= 0.05×20＝ 51÷1.7＝
48÷16＝ 70÷35＝ 9.2÷2.3＝ 2.7×0.3＝
1.5×0.4＝ 28×0.03＝ 0.38÷19＝ 0.68÷3.4＝
40÷2＝ 650÷13＝ 980÷14＝ 680÷34＝
720÷4＝ 800÷16＝ 720×0.5 230÷46＝
600×0.03＝ 160÷40＝ 0.23×30＝ 50×1.2＝
3300×30= 9600÷300= 4000÷500= 2500÷500=
1.4×300= 0.26×200= 0.50×90= 560÷70= 1500÷300= 0.05×200= 7200÷9= 0.18×20=
4.5×0×250= 0.69÷0.3×0.1= 0÷460×400= 6.8÷0.68×128=
7200÷9÷4= 960÷5÷6=
350×0.2×0.5= 12.5×8×4=
1×24＋24＝ 5.6×2÷5.6＝
8.4＋1.6÷4＝ 6.3÷7×90＝
（84＋16）÷4＝ 50—35÷7＝
420÷7＋140＝ 39÷（24－11）＝ 6.4×0.2+3.6×0.2＝ 6.25×8＝
（1.5+0.25）×4＝ 2.14－0.9＝
2.87÷0.7＝ 1.2×0.4+1.3×0.4＝
7.2×0.3+2.8×0.3＝ 4.9÷3.5＝
4.2÷3.5＝ 0.75×4＝
2.4×2.5＝ 0.36÷12＝
8.8÷2.2＝ 7.5×2.5×4＝
0.65×1.02＝ 3.9+2.03＝
1.23÷3＝ 3.2÷1.6＝
0.05×0.8＝ 500×0.01＝
64.32÷16＝ 2.56－0.37＝
3.5+3.5×3＝ 0.99+1.8＝
16÷1.6＝ （1.25+0.36）×0.2＝
1.5×0.4＝ 72.8÷0.8＝
0.9÷0.01＝ 5.4－2.5－1.4＝
1.25×0.8×0.5＝ 1.7+0.43+3.3＝
12÷0.3＝ 5.6×1.01＝
99×0.35＝ 7÷0.25＝
4.2÷0.1＝ 1 2－6.2－3.8＝
0.1×0.02＝ 3.5+7.6＝
6.3+3.7＝ 25×0.8＝
7－1.9－4.1＝ 12－9.9＝
14÷28＝ 1.6×9+1.6＝
3×1.4＝ 5×1.02＝
2.3÷5＝ 232－195＝
1.5+1.6=
27.5+0.25=
25/0.25=
1.7+23=
51/0.17=
43-0.3=
97.5+2.25=
10.5/1.5=
40*0.025=
49/0.7=
1.1+999.9=
4.8*0.625=
25.3+17=
94-9.4=
7.25+8.45=
96/1.6=
43.25+42.25=
52+1.8=
41.5+9.5=
61.5/0.5=
72/0.24=
92*0.5=
12/0.006=
52/(0.8+0.6)=
20.5+(42.5-61)=
4.8*0.375*1.25=
(62/3.1)-19.875=
(54/0.25)-21.6-194.4=
62.5/(8+54.5)=
111+9.9-120.8=
62.5-30.5/0.5=
1.5+1.6=
27.5+0.25=
25/0.25=
1.7+23=
51/0.17=
43-0.3=
97.5+2.25=
10.5/1.5=
40*0.025=
49/0.7=
1.1+999.9=
4.8*0.625=
25.3+17=
94-9.4=
7.25+8.45=
96/1.6=
43.25+42.25=
52+1.8=
41.5+9.5=
61.5/0.5=
72/0.24=
92*0.5=
12/0.006=
52/(0.8+0.6)=
20.5+(42.5-61)=
4.8*0.375*1.25=
(62/3.1)-19.875=
(54/0.25)-21.6-194.4=
62.5/(8+54.5)=
111+9.9-120.8=
62.5-30.5/0.5=
1.5+1.6=
27.5+0.25=
25/0.25=
1.7+23=
51/0.17=
43-0.3=
97.5+2.25=
10.5/1.5=
40*0.025=
49/0.7=
1.1+999.9=
4.8*0.625=
25.3+17=
94-9.4=
7.25+8.45=
96/1.6=
43.25+42.25=
52+1.8=
41.5+9.5=
61.5/0.5=
72/0.24=
92*0.5=
12/0.006=
52/(0.8+0.6)=
20.5+(42.5-61)=
4.8*0.375*1.25=
(62/3.1)-19.875=
(54/0.25)-21.6-194.4=
62.5/(8+54.5)=
111+9.9-120.8=
62.5-30.5/0.5=
123+25=148 123-35=88 56×7=392 135÷5=27
248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...
456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47...
879+54=933 ...896-546=350 ...56×12=672. 45-5=9...
457+456=913...
7+14=21 ... 18-9=9...
8+16=24 ... 25-5=20...
9+18=27... 56-45=11...
10+20=30... 45-23=22...
11+22=33... 78-23=55...
12+24=36...
10-3=7
15-4=11
20-5=15
25-6=19
30-7=23
35-8=27
40-9=31
45-10=35
50-11=39
55-12=43
60-13=47
65-14=51
70-15=55
75-16=59
80-17=63
85-18=67
90-19=71
95-20=75
100-21=79
105-22=83
110-23=87
115-24=91
120-25=95
125-26=99
130-27=103
13+26=39...
14+28=42...
15+30=45...
16+32=48...
17+34=51...
18+36=54...
19+38=57...
20+40=60...
21+42=63...
22+44=66...
23+46=69...
24+48=72...
25+50=75...
26+52=78...
27+54=81...
28+56=84...
29+58=87...
30+60=90...
31+62=93...
32+64=96...
33+66=99...
5 ÷1 =5
10 ÷2 =5
15 ÷3 =5
20 ÷4 =5
25 ÷5 =5
30 ÷6 =5
35 ÷7 =5
40 ÷8 =5
45 ÷9 =5
50 ÷10 =5
55 ÷11 =5
60 ÷12 =5
65 ÷13 =5
70 ÷14 =5
75 ÷15 =5
80 ÷16 5
85 ÷17 5
90 ÷18 5
95 ÷19 5
100 ÷20 5
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
12÷3/5=12×（ 5/3） 9÷6/7=9×（ 7/6 ） 30÷5/6=30×（6/5 ） 4×（3/2 ）=4÷2/3 （ 4 ）÷5/7=4×7/5 3÷4/5=3×5/4 （ 24 ）÷7/16=24×（16/7 ） A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/4 10×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
17×40＝680, 100－63＝37, 3.2＋1.68＝4.88, 2.8×0.4＝ 1.12
14－7.4＝6.6, 1.92÷0.04＝48, 0.32×500＝160, 0.65＋4.35＝ 5
10－5.4＝4.6, 4÷20＝0.2, 3.5×200＝700, 1.5－0.06＝1.44
0.75÷15＝0.05, 0.4×0.8＝0.32, 4×0.25＝1, 0.36＋1.54＝2
1.01×99＝99.99, 420÷35＝12, 25×12＝300, 135÷0.5＝270
3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5
0.51÷17＝0.03, 32.8＋19＝51.8, 5.2÷1.3＝4, 1.6×0.4＝ 0.64
4.9×0.7＝3.43, 1÷5＝0.2, 6÷12＝0.5, 0.87－0.49＝0.38
3.4－1.4= 7.82－7.2= 2.19＋9.1=
10.1－0.89= 0.68＋0.42= 8.1－5.1=
0.728－0.24= 0.8＋0.18= 0.89－0.25=
1－0.98= 0.048＋0.52= 5×400=
19.9+11.1= 187÷1000= 1+3.89=
0.081×10= 75÷10= 0.96÷0.8=
0.8×7＝ 1.5×7＝ 1.32×8＝
0.7×8＝ 10.3×2＝ 5×0.6＝
0.9×0.3＝ 3.5×0.2＝ 2.01×0＝
10×0.05＝ 0.13×7＝ 0.21×100＝
0.7×4＝ 0.05×4＝ 4×0.3＝430-250= 0.17+0.06= 1.02-0.09=
7200÷800= 0.17+0.6= 0.83-0.6=
17×300= 0.98-0.09= 0.2+0.78=
600×700= 10.2+0.02= 0.15+0.7=
670+250= 10.2+0.2= 9.2-6=
8500÷500= 3.2-3.2= 3.7+2.3=
25×100= 3.2-0.32= 2+2.8=
380-290= 0.35+0.5= 0.35+0.63=
3500÷70= 3.1+3= 3.8+0.38=
7500÷250= 3.8+1= 0.95-0.05=
450+780= 3.1+0.3= 3+0.3=
630÷9= 4.5-0.4= 9.5-5=
330×9= 9.53-1.53= 9.5-0.5=
3.5+2.4= 1-0.95= 0.3+0.27=
0.47+0.13= 4.5+4= 4-0.6=
0.95+0.05= 2.5+3.2= 0.74+0.16=
23×100= 9.8-4.8= 480÷40=
0.53÷100= 5.1+2.3= 125×80=
0.078÷10= 0.52+0.4= 70×12=
0.25×100= 3.4-2.8= 0.6-0.37=
0.052×10= 10+0.08= 1-0.75=
0.5×1000= 7.82+0.3= 13.5+6.5=
3.05×100= 1.2-0.8= 21.6-12.6=
63÷100= 0.83-0.5= 0.76+0.14=
80÷1000= 2.7+0.4= 0.72-0.43=
30×100= 0.92-0.2= 3.5+4.8=
3.5+2.4= 5+0.07= 1-0.61=
0.47+0.23= 0.25+0.75= 3.7+0.33=
0.51+0.33= 1-0.6= 8-4.6=
5.8-3.6= 0.52+0.4= 6.45+5.5=
4.5-1.3= 3.4-2.8= 9.53-1.53=
8.8-6.7= 10+0.08= 9.5-7.3=
7.2+0.8= 7.82+0.3= 8.8-6.7=
9.5-7.3= 1-0.95= 3.4-2.8=
0.96-0.35= 9.53-1.53= 0.25+0.75=
1.2-0.8= 0.83-0.5= 2.7+0
12.5×8＝ 2.3×4＝ 3.25×0＝
0.4×50＝ 30×0.1＝ 2.6×3＝
4.1×2＝ 0.35×0.2＝ 7.5×0.1＝
2.5×2= 0.5×10= 0.6×8= 2.1×2=
2.8×10= 0.7×0.8= 0.04×20= 5.6+0.4=
4.7+2.3= 4.5×2= 6.9－2.5= 7.2×0.8=
6×3.4= 0.62－0.32= 1.4×0.5= 0.75×100=
0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100=
0.75÷0.25= 0.125×8= 4.8÷0.3= 0.86÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.7×9=
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7－3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64+4.1=
10÷20= 24÷15= 8.65×10= 0.35×0.6=
3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=
0. 56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=
7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9.6÷0.8= 5×0.24= 4.5－0.05=
3.9÷0.13 16.5÷0.5= 5×0.12= 24×0.5=
4.8×0.5= 2.8＋4.2= 0.84÷2.1= 5÷0.25=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
0.56÷0.8= 7.4－2.8= 0.18÷0.2= 0.16÷8=
4.5×0.02= 8＋7.2= 1.2×30= 0.012×0.2=
7.3×0.3= 0÷6= 3.6÷0.12= 7.8÷0.6=
2÷5= 4.5＋5= 0.3÷0.6= 0.96÷0.2=
10.5×0.4= 7.3＋0.27= 8×0.125= 0.54÷0.6=
0.61＋0.39= 0.56÷28= 10÷20= 4.08÷0.4=
10－9.4= 0.8×0.11= 7.2＋12.8= 5.6÷0.01=
2.3×100= 0.75×100= 0.108÷2= 10.8÷9=
7.8÷0.01= 5.4÷0.6= 3÷5= 7×0.62=
12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100=
0.41＋3.7= 0.02×0.5= 7.2－0.8= 1.4×0.5=
84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2=
1.75＋32.5= 16－5.07= 5.2÷13= 1.64÷41=
1.02×0.2= 0.26×0.3= 8.4×0.02= 1.2×6=
0.8×0.05= 12.6÷0.03= 8.71÷0.1= 21÷0.21=
0.8×0.13= 0.34÷17= 8.08÷0.4= 0.5×2.2=
1.24×4= 3.27＋0.63= 5.02×0.3= 0.3×0.5=
5.6÷7= 72÷ 7.2= 0.7÷0.35= 0.7÷1.4
0.48÷0.04= 1.25÷2.5= 5.5＋5.5= 16.8÷8=
0.54＋2.2= 3.5－0.05= 2÷0.02= 0.25×40=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
46.5＋52.5= 0.45×102= 1.25×88= 2.64＋3.85＋1.54=
8×1.25= 7÷3.5= 4.2÷0.7÷6= 0.4×8.6×25=
0.27÷0.3= 2.5×101= 0.65×101－0.65= 2.6×7÷2.6×7=
0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
2.5×2= 0.5×10= 0.6×8= 2.1×2=
0.61＋0.39= 0.56÷28= 10÷20= 4.08÷0.4=
1.2×0.3 = 6.6÷1.1 = 4.9÷7= 0÷0.48=
2.5×2= 0.5×10= 0.6×8= 2.1×2=
2.8×10= 0.7×0.8= 0.04×20= 5.6+0.4=
4.7+2.3= 4.5×2= 6.9－2.5= 7.2×0.8=
6×3.4= 0.62－0.32= 1.4×0.5= 0.75×100=
0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100=
0.75÷0.25= 0.125×8= 4.8÷0.3= 0.86÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.7×9=
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7－3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64+4.1=
10÷20= 24÷15= 8.65×10= 0.35×0.6=
3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=
0. 56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=
7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9.6÷0.8= 5×0.24= 4.5－0.05=
3.9÷0.13 16.5÷0.5= 5×0.12= 24×0.5=
4.8×0.5= 2.8＋4.2= 0.84÷2.1= 5÷0.25=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
0.56÷0.8= 7.4－2.8= 0.18÷0.2= 0.16÷8=
4.5×0.02= 8＋7.2= 1.2×30= 0.012×0.2=
7.3×0.3= 0÷6= 3.6÷0.12= 7.8÷0.6=
2÷5= 4.5＋5= 0.3÷0.6= 0.96÷0.2=
10.5×0.4= 7.3＋0.27= 8×0.125= 0.54÷0.6=
0.61＋0.39= 0.56÷28= 10÷20= 4.08÷0.4=
10－9.4= 0.8×0.11= 7.2＋12.8= 5.6÷0.01=
2.3×100= 0.75×100= 0.108÷2= 10.8÷9=
7.8÷0.01= 5.4÷0.6= 3÷5= 7×0.62=
12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100=
0.41＋3.7= 0.02×0.5= 7.2－0.8= 1.4×0.5=
84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2=
1.75＋32.5= 16－5.07= 5.2÷13= 1.64÷41=
1.02×0.2= 0.26×0.3= 8.4×0.02= 1.2×6=
0.8×0.05= 12.6÷0.03= 8.71÷0.1= 21÷0.21=
0.8×0.13= 0.34÷17= 8.08÷0.4= 0.5×2.2=
1.24×4= 3.27＋0.63= 5.02×0.3= 0.3×0.5=
5.6÷7= 72÷ 7.2= 0.7÷0.35= 0.7÷1.4
0.48÷0.04= 1.25÷2.5= 5.5＋5.5= 16.8÷8=
0.54＋2.2= 3.5－0.05= 2÷0.02= 0.25×40=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
46.5＋52.5= 0.45×102= 1.25×88= 2.64＋3.85＋1.54=
8×1.25= 7÷3.5= 4.2÷0.7÷6= 0.4×8.6×25=
0.27÷0.3= 2.5×101= 0.65×101－0.65= 2.6×7÷2.6×7=
0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
2.5×2= 0.5×10= 0.6×8= 2.1×2=
0.61＋0.39= 0.56÷28= 10÷20= 4.08÷0.4=
1.2×0.3 = 6.6÷1.1 = 4.9÷7= 0÷0.48=
78×100＝ 0÷150＝ 32÷0.4＝ 1300×300=
2.6×100＝ 150÷15＝ 32×0.4＝ 2600÷100＝
32.8÷8＝ 1.64÷4＝ 300÷60＝ 18×700=
400÷80＝ 64÷4＝ 360÷20＝ 420÷70＝ 19×4＝ 540÷90＝ 74÷2＝ 360÷40＝
270÷30＝ 540÷60= 57÷19＝ 70÷70＝
400÷50＝ 350÷70＝ 810÷90＝ 430÷5＝
6.6÷1.1＝ 7.6÷4＝ 1.54÷0.22＝ 4800÷200= 1.89÷0.63＝ 3600÷180= 128÷3.2＝ 110÷55＝
32.8÷41＝ 750×0.5= 4.32÷0.8＝ 960÷12＝
200÷40＝ 420÷30＝ 142÷71＝ 560÷80＝
60×0.02＝ 660÷30＝ 480×0.8＝ 72÷4＝
0.63÷21＝ 6400÷800= 0.05×20＝ 51÷1.7＝
48÷16＝ 70÷35＝ 9.2÷2.3＝ 2.7×0.3＝
1.5×0.4＝ 28×0.03＝ 0.38÷19＝ 0.68÷3.4＝
40÷2＝ 650÷13＝ 980÷14＝ 680÷34＝
720÷4＝ 800÷16＝ 720×0.5 230÷46＝
600×0.03＝ 160÷40＝ 0.23×30＝ 50×1.2＝
3300×30= 9600÷300= 4000÷500= 2500÷500=
1.4×300= 0.26×200= 0.50×90= 560÷70= 1500÷300= 0.05×200= 7200÷9= 0.18×20=
4.5×0×250= 0.69÷0.3×0.1= 0÷460×400= 6.8÷0.68×128=
7200÷9÷4= 960÷5÷6=
350×0.2×0.5= 12.5×8×4=
1×24＋24＝ 5.6×2÷5.6＝
8.4＋1.6÷4＝ 6.3÷7×90＝
（84＋16）÷4＝ 50—35÷7＝
420÷7＋140＝ 39÷（24－11）＝