ä»
ä¾åèï¼
1.3/7 Ã 49/9 - 4/3
2. 8/9 Ã 15/36 + 1/27
3. 12Ã 5/6 â 2/9 Ã3
4. 8Ã
5/4 + 1/4
5. 6÷ 3/8 â 3/8 ÷6
6. 4/7 Ã 5/9 + 3/7 Ã 5/9
7. 5/2 -ï¼ 3/2 +
4/5 ï¼
8. 7/8 + ï¼ 1/8 + 1/9 ï¼
9. 9 Ã 5/6 + 5/6
10. 3/4 Ã 8/9 - 1/3
11. 7 Ã
5/49 + 3/14
12. 6 Ãï¼ 1/2 + 2/3 ï¼
13. 8 Ã 4/5 + 8 Ã 11/5
14. 31 Ã 5/6 â
5/6
15. 9/7 - ï¼ 2/7 â 10/21 ï¼
16. 5/9 Ã 18 â 14 Ã 2/7
17. 4/5 Ã 25/16 +
2/3 Ã 3/4
18. 14 Ã 8/7 â 5/6 Ã 12/15
19. 17/32 â 3/4 Ã 9/24
20. 3 Ã 2/9 +
1/3
21. 5/7 Ã 3/25 + 3/7
22. 3/14 ÃÃ 2/3 + 1/6
23. 1/5 Ã 2/3 + 5/6
24.
9/22 + 1/11 ÷ 1/2
25. 5/3 Ã 11/5 + 4/3
26. 45 Ã 2/3 + 1/3 Ã 15
27. 7/19 +
12/19 Ã 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 Ã 21/16 + 1/2
30. 101 Ã 1/5 â
1/5 Ã 21
31.50ï¼160÷40 ï¼58+370ï¼Ã·ï¼64-45ï¼ 32.120-144÷18+35
33.347+45Ã2-4160÷52 34ï¼58+37ï¼Ã·ï¼64-9Ã5ï¼ 35.95÷ï¼64-45ï¼ 36.178-145÷5Ã6+42
420+580-64Ã21÷28 37.812-700÷ï¼9+31Ã11ï¼ ï¼136+64ï¼Ãï¼65-345÷23ï¼
38.85+14Ãï¼14+208÷26ï¼ 39.ï¼284+16ï¼Ãï¼512-8208÷18ï¼ 40.120-36Ã4÷18+35
41.ï¼58+37ï¼Ã·ï¼64-9Ã5ï¼ 42.(6.8-6.8Ã0.55)÷8.5 43.0.12à 4.8÷0.12Ã4.8
44.ï¼3.2Ã1.5+2.5ï¼Ã·1.6 ï¼2ï¼3.2Ãï¼1.5+2.5ï¼Ã·1.6 45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2Ã5= 6-1.19Ã3-0.43= 47.6.5Ãï¼4.8-1.2Ã4ï¼= 0.68Ã1.9+0.32Ã1.9
48.10.15-10.75Ã0.4-5.7 49.5.8Ãï¼3.87-0.13ï¼+4.2Ã3.74
50.32.52-ï¼6+9.728÷3.2ï¼Ã2.5 51.[ï¼7.1-5.6ï¼Ã0.9-1.15] ÷2.5
52.5.4÷[2.6Ãï¼3.7-2.9ï¼+0.62] 53.12Ã6÷ï¼12-7.2ï¼-6 ï¼4ï¼12Ã6÷7.2-6 121 ï¼ 111 ÷
37 ï¼121 ï¼ 111 ÷ 37ï¼Ã 5280 ï¼ 650 ÷ 13 1000 ï¼ï¼280 ï¼
650 ÷ 13ï¼707 ï¼ 35 à 20 ï¼120 ï¼ 103ï¼Ã 50760 ÷ 10 ÷ 38
ï¼95 ï¼ 19 à 5 ï¼Ã·7445 à 20 à 3 ï¼270 ï¼ 180ï¼Ã·ï¼30 ï¼ 15ï¼
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