分数加减乘除各40题。 小数加减法各40题 (横式 要有答案 好的追加100)

如题所述

第1个回答  2012-08-30
. 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 + 1/3
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 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
31. 5/7 × 3/25 + 3/7
32. 3/14 ×× 2/3 + 1/6
33. 1/5 × 2/3 + 5/6
34. 9/22 + 1/11 ÷ 1/2
35. 5/3 × 11/5 + 4/3
36. 45 × 2/3 + 1/3 × 15
37. 7/19 + 12/19 × 5/6
38. 1/4 + 3/4 ÷ 2/3
39. 8/7 × 21/16 + 1/2
40. 101 × 1/5 – 1/5 × 21

0.75+0.4=1.15 20+0.78=20.784.8+4.2=9 5.7-3= 2.7 4.9-1.7= 3.2
1.34+0.8= 2.14 2-0.75=1.25 8.7+0.03=8.73 0.2-0.09=0.118.5+2.5=11
3.4-1.4=2 0.68+0.42= 1.1 7.82-7.2=0.62 2+9.1=11.1 0.48+0.52=1
8.1-5.1= 3 0.78-0.24=0.54 0.8+0.18=0.98 0.89-0.25=0.64 1-0.98=0.02
0.9+0.1=1 1-0.8= 0.2 4.5-4=0.5 5.6+4=9.6 5.7+3.3= 9
10-4.4=5.6 6+6.6=12.6 9.5-2.7=6.8 1-0.55= 0.45 3.7+4.8=8.5
7+3.3= 10.3 3.25+0.75=4 2.7+3.9=6.6 0.7+0.9= 1.6 1-0.44=0.56
0.9+1= 1.09 14.6-0.4=14.210-0.1= 9.9 14+0.78=14.783+2.7=5.7
5-0.08= 4.92 1.64+2.35= 1.1-1=0.1追问

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