数学
一年级数学上册第五单元第二课时6和7的加减法教案

2019-05-27

一年级数学上册第五单元第二课时6和7的加减法教案
优质解答

1.5 / 2 - (3/2 + 4/5)
2.7 / 8 +(1/8 + 1/9)
3.5 / 6 +(1/2 + 2/3)
4.9 / 7 - (2/7 - 10/21)
5.3 / 7 + 49/9 + 4/7
6.8 / 10 + 15/36 + 3/27
7.5 / 2 - (3/2 + 4/5)
8.7 / 8 +(1/8 + 1/9)
9.9 / 7 - (2/7 - 10/21)
10.1 / 5 +(3/7 + 8/10)
进球关闭式:
1.1 / 3 + 3/4 + 1/5
2.3 / 8 + 8/3 - 1/2
3.5 / 6 + 1/12 + 3/4
6.19 / 8 - 1/2 - 3/4
7.7 / 25 + / 10 - 2/5
10.8/15 + 7/3- 8/5
14 2/3 + 1/6 + 3/24 + 2/21
5 \ 2 - (3 \ 4 \ 5)
7 \ 8 +1 \ 1 \ 9
9 \ 7 - (2 \ 7-10 \ 21)
240 \ 400 +12 \ 400-150 \ 400
2 \ 3 +5 \ 9-2 \ 5 \ 9
186 \ 240 +88 \ 240 252 \ 240
6 \ 7 +2 \ 15 \ 13 \ 15
8 \ 9 +1 \ 1 \ 3 \ 4
2 \ 3 +5 \ 9-2 \ 5 \ 9
7/8 +(1/8 + 1/9)
9/7 - (2/7 - 10/21)
1/2 +3/4-3 / 10 = 19/20
2/9 5/6 + 1/3 = 25/18
4/5-3/10 2/3 = 7/6
1/2-3/4 +3 / 8 = 1/8
5/6-1/3 +3 / 10 = 1/5
7/12-5/24 2/3
1/2-1/3-1/6
4/7 +5 / 11 +5 / 7
5/8 + 2/11 + 9/11
17/24 +5/12-11 / 24
,11 / +1/6-5 / 24
5/6-5/7 +1/6-1 / 7
4/5-(1/4 + / 5)
1-1/4-3/4
5/7 +5 / 8 +2 / +4 / 9
1. 3/7×49/9 - 4/3
2. 8/9×15/36 + 1/27
3. 12×5/6 - 2/9×3
4. 8×5/4 + 1/4
5. 6÷3/8 - 3/8÷6
6. 4/7×5/9 + 3/7×5/9
7.5 / 2 - (3/2 + 4/5)
8.7 / 8 +(1/8 + 1/9)
9. 9×5/6 + 5/6
10. 3/4×8/9 - 1/3
11. 7×5/49 + 3/14
12. 6×(1/2 + 2/3)
13. 8×4/5 + 8×11/5
14. 31×5/6 - 5/6
15.9 / 7 - (2/7 - 10/21)
16. 5/9×18 - 14×2/7
17. 4/5×25/16 + 2/3×3/4
18. 14×8/7 - 5/6×12/15
19. 17/32 - 3/4×9/24
20. 3×2/9 +三分之一
21. 5/7×3/25 + 3/7
22. 3/14××2/3 +1 / 6
23. 1/5×2/3 + 5/6
24. 9/22 + 1/11)÷(1/2
25. 5/3×11/5 + 4/3
26. 45×2/3 + 1/3×15
27. 7/19 + 12/19×5/6
28. 1/4 + 3/4÷三分之二
29. 8/7×21/16 + 1/2
30. 101×1/5 - 1/5×21
31.50 +160÷40
32.120-144÷18 +35
33.347 +45×2-4160÷52
34(58 +37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6 42
37.812-700÷(9 31×11)
38.85 +14×(14 +208÷26)
39. (284 +16)×(512-8208÷18)
40.120-36×4÷18 +35
41. (58 37)÷(64-9×5)
42. (6.8-6.8×0.55)÷8.5
43.0.12×4.8÷0.12×4.8
44. (3.2×1.5 +2.5)÷1.6(2)3.2×(1.5 +2.5)÷1.6
45.6-1.6÷4 = 5.38 +7.85-5.37 =
46.?7.2÷0.8?1.2×5 = 6-1.19×3-0.43 =
47.6.5×(4.8-1.2×4)= 0.68×1.9 +0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×4.2×3.74(3.87-0.13)
50.32.52-(6 9.728÷3.2)×2
1.125 * 3 +125 * 5 +25 * 3 +25
2.9999 * 3 +101 * 11 *(101-92)
3(23/4-3/4)*(3 * 6 2)
4. 3/7×49/9 - 4/3
5. 8/9×15/36 + 1/27
6. 12×5/6 - 2/9×3
7. 8×5/4 + 1/4
8. 6÷3/8 - 3/8÷6
9. 4/7×5/9 + 3/7×5/9
10.5 / 2 - (3/2 + 4/5)
11.7 / 8 +(1/8 + 1/9)
12. 9×5/6 + 5/6
13. 3/4×8/9 - 1/3
14. 7×5/49 + 3/14
15. 6×(1/2 + 2/3)
16. 8×4/5 + 8×11/5
17. 31×5/6 - 5/6
18.9 / 7 - (2/7 - 10/21)
19. 5/9×18 - 14×2/7
20. 4/5×25/16 + 2/3×3/4
21. 14×8/7 - 5/6×12/15
22. 17/32 - 3/4×9/24
23. 3×2/9 +三分之一
24. 5/7×3/25 + 3/7
25. 3/14××2/3 +1 / 6
26. 1/5×2/3 + 5/6
27. 9/22 + 1/11)÷(1/2
28. 5/3×11/5 + 4/3
29. 45×2/3 + 1/3×15
30. 7/19 + 12/19×5/6
31. 1/4 + 3/4÷三分之二
32. 8/7×21/16 + 1/2
33. 101×1/5 - 1/5×21
34.50 +160÷40
35.120-144÷18 +35
36.347 +45×2-4160÷52
37(58 +37)÷(64-9×5)
38.95÷(64-45)
39.178-145÷5×6 42
40.812-700÷(9 31×11)
41.85 +14×(14 +208÷26)
43.120-36×4÷18 +35
44. (58 37)÷(64-9×5)
45. (6.8-6.8×0.55)÷8.5
46.?0.12×4.8÷0.12×4.8
47. (3.2×1.5 +2.5)÷1.6
48.6-1.6÷4 = 5.38 +7.85-5.37 =
49.7.2÷0.8?1.2×5 = 6-1.19×3-0.43 =
50.6.5×(4.8-1.2×4)=
51.5.8×4.2×3.74(3.87-0.13)
52.32.52-(6 9.728÷3.2)×2.5
53. [(7.1-5.6)×0.9-1.15]÷2.5
54.5.4÷[2.6×(3.7-2.9)+0.62]
55.12×6÷(12-7.2)-6
56.12×6÷7.2-6
57.0.68×1.9 +0.32×1.9
58.58 +370)÷(64-45)
59.420 +580-64×21÷28
60.136 +6×(65-345÷23)
15-10.75×0.4-5.7
62.18.1 +(3-0.299÷0.23)×1
63. (6.8-6.8×0.55)÷8.5
64.0.12×4.8÷0.12×4.8
65. (3.2×1.5 +2.5)÷1.6
66.3.2×6 +(1.5 +2.5)÷1.6
67.0.68×1.9 +0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×4.2×3.74(3.87-0.13)
70.32.52-(6 9.728÷3.2)×2.5
71. [(7.1-5.6)×0.9-1.15]÷2.5
72.5.4÷[2.6×(3.7-2.9)+0.62]
73.12×6÷(12-7.2)-6
74.12×6÷7.2-6
75.33.02(148.4-90.85)÷2.5
1)76. (25%-695%-12%)* 36
77/4 * 3/5 + 3/4 * 2/5
78.1-1 / 4 +8/9/7 / 9
79. +1/6/3 / 24 + 2/21
80./15 * 3/5
81.3/4/9/10-1/6
82/3 +1 / 2)/ 5/6-1/3] / 1/7
83/5 +3/5/2 +3 / 4
84. (2-2/3/1/2)] * 2/5
85. +5268.32-2569
86.3 +456-52 * 8
87.5%6325
88/2 +1 / 3 +1 / 4
2)89 +456-78
3)5%+. 3/7×49/9 - 4/3
4)9×15/36 + 1/27
5)2×5/6 - 2/9×3
6)3×5/4 + 1/4
7)94÷3/8 - 3/8÷6
8)95/7×5/9 + 3/7×5/9
9)6/2 - (3/2 + 4/5)
10)8 +(1/8 + 1/9)
11)8×5/6 + 5/6
12)1/4×8/9 - 1/3
13)10×5/49 + 3/14
14)1.5×(1/2 + 2/3)
15)2/9×4/5 + 8×11/5
16)3.1×5/6 - 5/6
17)/ 7 - (2/7 - 10/21)
18)19×18 - 14×2/7
19)5×25/16 + 2/3×3/4
20)4×8/7 - 5/6×12/15
21)7/32 - 3/4×9/24
22)1,2/3÷1/2-1/4×2/5
2,2-6/13÷9/26-2/3
3,2/9 +1 / 2÷4/5 3/8
4,10÷5/9 +1 / 6×4
5,1/2×2/5 9/10÷20分之9
6,5/9×3/10 2/7÷五分之二
7,1/2 +1 / 4×4/5-1/8
8,3/4×5/7×4/3-1/2
,23-8/9×1/27)÷(1/27
10,8×5/6 2/10÷4
11,1/2 3/4×5/12×4/5
12,8/9×3/4-3/8÷四分之三
13,5/8÷5/4 +3 / 23÷9/11
23)1.2×2.5 +0.8×2.5
24)8.9×1.25-0.9×1.25
25)12.5×7.4×0.8
26)9.9×6.4(2.5 0.24)(27)6.5×9.5 6.5×0.5
0.35×1.6 +0.35×3.4
0.25×8.6×4
6.72-3.28-1.72
0.45 6.37 4.55
5.4 6.9×3 - (25-2.5)2×41846-620-380
4.8×46 +4.8×54
0.8 +0.8×2.5
1.25×3.6×8×2.5-12.5×2.4
28×12.5-12.5×20
23.65-(3.07 +3.65)
(4 +0.4×0.25)8×7×1.25
1.65×99 +1.65
27.85-(7.85 +3.4)
48×1.25 +50×1.25×0.2×8
7.8×9.9 +0.78
(1010 309 4 681 6)×12
3×9146×782×6×854的
5.15×7/8 +6.1-0.60625
1. 3/7×49/9 - 4/3
2. 8/9×15/36 + 1/27
3. 12×5/6 - 2/9×3
4. 8×5/4 + 1/4
5. 6÷3/8 - 3/8÷6
6. 4/7×5/9 + 3/7×5/9
7.5 / 2 - (3/2 + 4/5)
8.7 / 8 +(1/8 + 1/9)
9. 9×5/6 + 5/6
10. 3/4×8/9 - 1/3
11. 7×5/49 + 3/14
12. 6×(1/2 + 2/3)
13. 8×4/5 + 8×11/5
14. 31×5/6 - 5/6
15.9 / 7 - (2/7 - 10/21)
16. 5/9×18 - 14×2/7
17. 4/5×25/16 + 2/3×3/4
18. 14×8/7 - 5/6×12/15
19. 17/32 - 3/4×9/24
20. 3×2/9 +三分之一
21. 5/7×3/25 + 3/7
22. 3/14×2/3 + 1/6
23. 1/5×2/3 + 5/6
24. 9/22 + 1/11)÷(1/2
25. 5/3×11/5 + 4/3
26. 45×2/3 + 1/3×15
27. 7/19 + 12/19×5/6
28. 1/4 + 3/4÷三分之二
29. 8/7×21/16 + 1/2
30. 101×1/5 - 1/5×21
31.50 +160÷40(58 +370)÷(64-45)
32.120-144÷18 +35
33.347 +45×2-4160÷52
34(58 +37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6 42 420 +580-64×21÷28
37.812-700÷(10 +31×11)(136 +64)×(65-345÷23)
38.85 +14×(14 +208÷26)
39. (284 +16)×(512-8208÷18)
40.120-36×4÷18 +35
41. (58 37)÷(64-9×5)
42. (6.8-6.8×0.55)÷8.5
43.0.12×4.8÷0.12×4.8
44. (3.2×1.5 +2.5)÷1.6(2)3.2×(1.5 +2.5)÷1.6
45.6-1.6÷4 = 5.38 +7.85-5.37 =
46.?7.2÷0.8?1.2×5 = 6-1.19×3-0.43 =
47.6.5×(4.8-1.2×4)= 0.68×1.9 +0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×4.2×3.74(3.87-0.13)
50.32.52-(6 9.728÷3.2)×2.5
51. [(7.1-5.6)×0.9-1.15]÷2.5
52.5.4÷[2.6×(3.7-2.9)+0.62]
53.12×6÷(12-7.2)-6(4)12×6÷7.2-6
102×4.5
7.8×6.9 +2.2×6.9
5.6×0.25
8×(20-1.25)
1)127 +352 +73 +44(2)89 +276 +135 +33
(1)25 71 75 29 88(2)243 89 111 57
9405-2940÷28×21
920-1680÷40÷7
690 +47×52-398
148 3328÷64-75
360×24÷32 +730
2100-94 +48×54
51 +(2304年至2042年)×23
4215 +(4361-716)÷81
(247 +18)×27÷25
36-720÷(360÷18)
1080÷(63-54)×80
(528 912)×5-6178
8528÷41×38-904
264 +318-8280÷69
(174 +209)×26 - 9000
814 - (278 +322)÷15
1406 735×9÷45
3168-7828÷38 +504
796-5040÷(630÷7)
285 +(3000-372)÷36
1 +5/6-19 / 12
3倍(-9)+7×(-9
(-54)X1/6x(-1 / 3)
1.18.1 +(3-0.299÷0.23)×1
2. (6.8-6.8×0.55)÷8.5
3.0.12×4.8÷0.12×4.8
4. (3.2×1.5 +2.5)÷1.6(2)3.2×(1.5 +2.5)÷1.6
5.6-1.6÷4 = 5.38 +7.85-5.37 =
6.7.2÷0.8?1.2×5 = 6-1.19×3-0.43 =
7.6.5×(4.8-1.2×4)= 0.68×1.9 +0.32×1.9
8.10.15-10.75×0.4-5.7
9.5.8×4.2×3.74(3.87-0.13)
10.32.52-(6 9.728÷3.2)×2.5
11. [(7.1-5.6)×0.9-1.15]÷2.5
12.5.4÷[2.6×(3.7-2.9)+0.62]
13.12×6÷(12-7.2)-6
14.12×6÷7.2-6
15.33.02(148.4-90.85)÷2.5
答案是没有时间写

1.5 / 2 - (3/2 + 4/5)
2.7 / 8 +(1/8 + 1/9)
3.5 / 6 +(1/2 + 2/3)
4.9 / 7 - (2/7 - 10/21)
5.3 / 7 + 49/9 + 4/7
6.8 / 10 + 15/36 + 3/27
7.5 / 2 - (3/2 + 4/5)
8.7 / 8 +(1/8 + 1/9)
9.9 / 7 - (2/7 - 10/21)
10.1 / 5 +(3/7 + 8/10)
进球关闭式:
1.1 / 3 + 3/4 + 1/5
2.3 / 8 + 8/3 - 1/2
3.5 / 6 + 1/12 + 3/4
6.19 / 8 - 1/2 - 3/4
7.7 / 25 + / 10 - 2/5
10.8/15 + 7/3- 8/5
14 2/3 + 1/6 + 3/24 + 2/21
5 \ 2 - (3 \ 4 \ 5)
7 \ 8 +1 \ 1 \ 9
9 \ 7 - (2 \ 7-10 \ 21)
240 \ 400 +12 \ 400-150 \ 400
2 \ 3 +5 \ 9-2 \ 5 \ 9
186 \ 240 +88 \ 240 252 \ 240
6 \ 7 +2 \ 15 \ 13 \ 15
8 \ 9 +1 \ 1 \ 3 \ 4
2 \ 3 +5 \ 9-2 \ 5 \ 9
7/8 +(1/8 + 1/9)
9/7 - (2/7 - 10/21)
1/2 +3/4-3 / 10 = 19/20
2/9 5/6 + 1/3 = 25/18
4/5-3/10 2/3 = 7/6
1/2-3/4 +3 / 8 = 1/8
5/6-1/3 +3 / 10 = 1/5
7/12-5/24 2/3
1/2-1/3-1/6
4/7 +5 / 11 +5 / 7
5/8 + 2/11 + 9/11
17/24 +5/12-11 / 24
,11 / +1/6-5 / 24
5/6-5/7 +1/6-1 / 7
4/5-(1/4 + / 5)
1-1/4-3/4
5/7 +5 / 8 +2 / +4 / 9
1. 3/7×49/9 - 4/3
2. 8/9×15/36 + 1/27
3. 12×5/6 - 2/9×3
4. 8×5/4 + 1/4
5. 6÷3/8 - 3/8÷6
6. 4/7×5/9 + 3/7×5/9
7.5 / 2 - (3/2 + 4/5)
8.7 / 8 +(1/8 + 1/9)
9. 9×5/6 + 5/6
10. 3/4×8/9 - 1/3
11. 7×5/49 + 3/14
12. 6×(1/2 + 2/3)
13. 8×4/5 + 8×11/5
14. 31×5/6 - 5/6
15.9 / 7 - (2/7 - 10/21)
16. 5/9×18 - 14×2/7
17. 4/5×25/16 + 2/3×3/4
18. 14×8/7 - 5/6×12/15
19. 17/32 - 3/4×9/24
20. 3×2/9 +三分之一
21. 5/7×3/25 + 3/7
22. 3/14××2/3 +1 / 6
23. 1/5×2/3 + 5/6
24. 9/22 + 1/11)÷(1/2
25. 5/3×11/5 + 4/3
26. 45×2/3 + 1/3×15
27. 7/19 + 12/19×5/6
28. 1/4 + 3/4÷三分之二
29. 8/7×21/16 + 1/2
30. 101×1/5 - 1/5×21
31.50 +160÷40
32.120-144÷18 +35
33.347 +45×2-4160÷52
34(58 +37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6 42
37.812-700÷(9 31×11)
38.85 +14×(14 +208÷26)
39. (284 +16)×(512-8208÷18)
40.120-36×4÷18 +35
41. (58 37)÷(64-9×5)
42. (6.8-6.8×0.55)÷8.5
43.0.12×4.8÷0.12×4.8
44. (3.2×1.5 +2.5)÷1.6(2)3.2×(1.5 +2.5)÷1.6
45.6-1.6÷4 = 5.38 +7.85-5.37 =
46.?7.2÷0.8?1.2×5 = 6-1.19×3-0.43 =
47.6.5×(4.8-1.2×4)= 0.68×1.9 +0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×4.2×3.74(3.87-0.13)
50.32.52-(6 9.728÷3.2)×2
1.125 * 3 +125 * 5 +25 * 3 +25
2.9999 * 3 +101 * 11 *(101-92)
3(23/4-3/4)*(3 * 6 2)
4. 3/7×49/9 - 4/3
5. 8/9×15/36 + 1/27
6. 12×5/6 - 2/9×3
7. 8×5/4 + 1/4
8. 6÷3/8 - 3/8÷6
9. 4/7×5/9 + 3/7×5/9
10.5 / 2 - (3/2 + 4/5)
11.7 / 8 +(1/8 + 1/9)
12. 9×5/6 + 5/6
13. 3/4×8/9 - 1/3
14. 7×5/49 + 3/14
15. 6×(1/2 + 2/3)
16. 8×4/5 + 8×11/5
17. 31×5/6 - 5/6
18.9 / 7 - (2/7 - 10/21)
19. 5/9×18 - 14×2/7
20. 4/5×25/16 + 2/3×3/4
21. 14×8/7 - 5/6×12/15
22. 17/32 - 3/4×9/24
23. 3×2/9 +三分之一
24. 5/7×3/25 + 3/7
25. 3/14××2/3 +1 / 6
26. 1/5×2/3 + 5/6
27. 9/22 + 1/11)÷(1/2
28. 5/3×11/5 + 4/3
29. 45×2/3 + 1/3×15
30. 7/19 + 12/19×5/6
31. 1/4 + 3/4÷三分之二
32. 8/7×21/16 + 1/2
33. 101×1/5 - 1/5×21
34.50 +160÷40
35.120-144÷18 +35
36.347 +45×2-4160÷52
37(58 +37)÷(64-9×5)
38.95÷(64-45)
39.178-145÷5×6 42
40.812-700÷(9 31×11)
41.85 +14×(14 +208÷26)
43.120-36×4÷18 +35
44. (58 37)÷(64-9×5)
45. (6.8-6.8×0.55)÷8.5
46.?0.12×4.8÷0.12×4.8
47. (3.2×1.5 +2.5)÷1.6
48.6-1.6÷4 = 5.38 +7.85-5.37 =
49.7.2÷0.8?1.2×5 = 6-1.19×3-0.43 =
50.6.5×(4.8-1.2×4)=
51.5.8×4.2×3.74(3.87-0.13)
52.32.52-(6 9.728÷3.2)×2.5
53. [(7.1-5.6)×0.9-1.15]÷2.5
54.5.4÷[2.6×(3.7-2.9)+0.62]
55.12×6÷(12-7.2)-6
56.12×6÷7.2-6
57.0.68×1.9 +0.32×1.9
58.58 +370)÷(64-45)
59.420 +580-64×21÷28
60.136 +6×(65-345÷23)
15-10.75×0.4-5.7
62.18.1 +(3-0.299÷0.23)×1
63. (6.8-6.8×0.55)÷8.5
64.0.12×4.8÷0.12×4.8
65. (3.2×1.5 +2.5)÷1.6
66.3.2×6 +(1.5 +2.5)÷1.6
67.0.68×1.9 +0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×4.2×3.74(3.87-0.13)
70.32.52-(6 9.728÷3.2)×2.5
71. [(7.1-5.6)×0.9-1.15]÷2.5
72.5.4÷[2.6×(3.7-2.9)+0.62]
73.12×6÷(12-7.2)-6
74.12×6÷7.2-6
75.33.02(148.4-90.85)÷2.5
1)76. (25%-695%-12%)* 36
77/4 * 3/5 + 3/4 * 2/5
78.1-1 / 4 +8/9/7 / 9
79. +1/6/3 / 24 + 2/21
80./15 * 3/5
81.3/4/9/10-1/6
82/3 +1 / 2)/ 5/6-1/3] / 1/7
83/5 +3/5/2 +3 / 4
84. (2-2/3/1/2)] * 2/5
85. +5268.32-2569
86.3 +456-52 * 8
87.5%6325
88/2 +1 / 3 +1 / 4
2)89 +456-78
3)5%+. 3/7×49/9 - 4/3
4)9×15/36 + 1/27
5)2×5/6 - 2/9×3
6)3×5/4 + 1/4
7)94÷3/8 - 3/8÷6
8)95/7×5/9 + 3/7×5/9
9)6/2 - (3/2 + 4/5)
10)8 +(1/8 + 1/9)
11)8×5/6 + 5/6
12)1/4×8/9 - 1/3
13)10×5/49 + 3/14
14)1.5×(1/2 + 2/3)
15)2/9×4/5 + 8×11/5
16)3.1×5/6 - 5/6
17)/ 7 - (2/7 - 10/21)
18)19×18 - 14×2/7
19)5×25/16 + 2/3×3/4
20)4×8/7 - 5/6×12/15
21)7/32 - 3/4×9/24
22)1,2/3÷1/2-1/4×2/5
2,2-6/13÷9/26-2/3
3,2/9 +1 / 2÷4/5 3/8
4,10÷5/9 +1 / 6×4
5,1/2×2/5 9/10÷20分之9
6,5/9×3/10 2/7÷五分之二
7,1/2 +1 / 4×4/5-1/8
8,3/4×5/7×4/3-1/2
,23-8/9×1/27)÷(1/27
10,8×5/6 2/10÷4
11,1/2 3/4×5/12×4/5
12,8/9×3/4-3/8÷四分之三
13,5/8÷5/4 +3 / 23÷9/11
23)1.2×2.5 +0.8×2.5
24)8.9×1.25-0.9×1.25
25)12.5×7.4×0.8
26)9.9×6.4(2.5 0.24)(27)6.5×9.5 6.5×0.5
0.35×1.6 +0.35×3.4
0.25×8.6×4
6.72-3.28-1.72
0.45 6.37 4.55
5.4 6.9×3 - (25-2.5)2×41846-620-380
4.8×46 +4.8×54
0.8 +0.8×2.5
1.25×3.6×8×2.5-12.5×2.4
28×12.5-12.5×20
23.65-(3.07 +3.65)
(4 +0.4×0.25)8×7×1.25
1.65×99 +1.65
27.85-(7.85 +3.4)
48×1.25 +50×1.25×0.2×8
7.8×9.9 +0.78
(1010 309 4 681 6)×12
3×9146×782×6×854的
5.15×7/8 +6.1-0.60625
1. 3/7×49/9 - 4/3
2. 8/9×15/36 + 1/27
3. 12×5/6 - 2/9×3
4. 8×5/4 + 1/4
5. 6÷3/8 - 3/8÷6
6. 4/7×5/9 + 3/7×5/9
7.5 / 2 - (3/2 + 4/5)
8.7 / 8 +(1/8 + 1/9)
9. 9×5/6 + 5/6
10. 3/4×8/9 - 1/3
11. 7×5/49 + 3/14
12. 6×(1/2 + 2/3)
13. 8×4/5 + 8×11/5
14. 31×5/6 - 5/6
15.9 / 7 - (2/7 - 10/21)
16. 5/9×18 - 14×2/7
17. 4/5×25/16 + 2/3×3/4
18. 14×8/7 - 5/6×12/15
19. 17/32 - 3/4×9/24
20. 3×2/9 +三分之一
21. 5/7×3/25 + 3/7
22. 3/14×2/3 + 1/6
23. 1/5×2/3 + 5/6
24. 9/22 + 1/11)÷(1/2
25. 5/3×11/5 + 4/3
26. 45×2/3 + 1/3×15
27. 7/19 + 12/19×5/6
28. 1/4 + 3/4÷三分之二
29. 8/7×21/16 + 1/2
30. 101×1/5 - 1/5×21
31.50 +160÷40(58 +370)÷(64-45)
32.120-144÷18 +35
33.347 +45×2-4160÷52
34(58 +37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6 42 420 +580-64×21÷28
37.812-700÷(10 +31×11)(136 +64)×(65-345÷23)
38.85 +14×(14 +208÷26)
39. (284 +16)×(512-8208÷18)
40.120-36×4÷18 +35
41. (58 37)÷(64-9×5)
42. (6.8-6.8×0.55)÷8.5
43.0.12×4.8÷0.12×4.8
44. (3.2×1.5 +2.5)÷1.6(2)3.2×(1.5 +2.5)÷1.6
45.6-1.6÷4 = 5.38 +7.85-5.37 =
46.?7.2÷0.8?1.2×5 = 6-1.19×3-0.43 =
47.6.5×(4.8-1.2×4)= 0.68×1.9 +0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×4.2×3.74(3.87-0.13)
50.32.52-(6 9.728÷3.2)×2.5
51. [(7.1-5.6)×0.9-1.15]÷2.5
52.5.4÷[2.6×(3.7-2.9)+0.62]
53.12×6÷(12-7.2)-6(4)12×6÷7.2-6
102×4.5
7.8×6.9 +2.2×6.9
5.6×0.25
8×(20-1.25)
1)127 +352 +73 +44(2)89 +276 +135 +33
(1)25 71 75 29 88(2)243 89 111 57
9405-2940÷28×21
920-1680÷40÷7
690 +47×52-398
148 3328÷64-75
360×24÷32 +730
2100-94 +48×54
51 +(2304年至2042年)×23
4215 +(4361-716)÷81
(247 +18)×27÷25
36-720÷(360÷18)
1080÷(63-54)×80
(528 912)×5-6178
8528÷41×38-904
264 +318-8280÷69
(174 +209)×26 - 9000
814 - (278 +322)÷15
1406 735×9÷45
3168-7828÷38 +504
796-5040÷(630÷7)
285 +(3000-372)÷36
1 +5/6-19 / 12
3倍(-9)+7×(-9
(-54)X1/6x(-1 / 3)
1.18.1 +(3-0.299÷0.23)×1
2. (6.8-6.8×0.55)÷8.5
3.0.12×4.8÷0.12×4.8
4. (3.2×1.5 +2.5)÷1.6(2)3.2×(1.5 +2.5)÷1.6
5.6-1.6÷4 = 5.38 +7.85-5.37 =
6.7.2÷0.8?1.2×5 = 6-1.19×3-0.43 =
7.6.5×(4.8-1.2×4)= 0.68×1.9 +0.32×1.9
8.10.15-10.75×0.4-5.7
9.5.8×4.2×3.74(3.87-0.13)
10.32.52-(6 9.728÷3.2)×2.5
11. [(7.1-5.6)×0.9-1.15]÷2.5
12.5.4÷[2.6×(3.7-2.9)+0.62]
13.12×6÷(12-7.2)-6
14.12×6÷7.2-6
15.33.02(148.4-90.85)÷2.5
答案是没有时间写
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