优质解答
1:2x+5=15 2:6X+5=11 3:X-0.8X=6
4:19y+y=40 5:25-5x=15 6:79y+y=80
7:42x+28x=140 8:3x-1=8 9:90y-90=90
10:80y-90=70 11:78y+2y=160 12:88-x=80
13:9-4x=1 14:20x=40 15:65y-30=100
16:51y-y=100 17:6X-3X=18 18:1.5x+18=3x
19:5×3-x÷2=8 20:0.273÷x=0.35 21:1.8x=0.972
22:x÷0.756=90 23:9x-40=5 24:x÷5+9=21
25:48-27+5x=31 26:10.5+x+21=56 27:x+2x+18=78
28:(200-x)÷5=30 29:(x-140)÷70=4 30:0.1(x+6)=3.3×0.4
31:4(x-5.6)=1.6 32:7(6.5+x)=87.5
34:3X+5X=48 35:14X-8X=12
36:6x5+2X=44
37:20X-50=50 38:28+6X=88 39:32-22X=10
40:24-3X=3 41:10X(5+1)=60 42:99X=100-X
43:X+3=18 44:X-6=12 45:56-2X=20
46:4y+2=6 47:x+32=76 48:3x+6=18
49:16+8x=40 50:2x-8=8
1:2x+5=15 2:6X+5=11 3:X-0.8X=6
4:19y+y=40 5:25-5x=15 6:79y+y=80
7:42x+28x=140 8:3x-1=8 9:90y-90=90
10:80y-90=70 11:78y+2y=160 12:88-x=80
13:9-4x=1 14:20x=40 15:65y-30=100
16:51y-y=100 17:6X-3X=18 18:1.5x+18=3x
19:5×3-x÷2=8 20:0.273÷x=0.35 21:1.8x=0.972
22:x÷0.756=90 23:9x-40=5 24:x÷5+9=21
25:48-27+5x=31 26:10.5+x+21=56 27:x+2x+18=78
28:(200-x)÷5=30 29:(x-140)÷70=4 30:0.1(x+6)=3.3×0.4
31:4(x-5.6)=1.6 32:7(6.5+x)=87.5
34:3X+5X=48 35:14X-8X=12
36:6x5+2X=44
37:20X-50=50 38:28+6X=88 39:32-22X=10
40:24-3X=3 41:10X(5+1)=60 42:99X=100-X
43:X+3=18 44:X-6=12 45:56-2X=20
46:4y+2=6 47:x+32=76 48:3x+6=18
49:16+8x=40 50:2x-8=8