五年级分数脱式计算题

问题描述:

五年级分数脱式计算题
分数的,加减乘除

简便:
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
6.8/9 + 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 )
分数脱式:
1.1/3 + 3/4 + 1/5
2.3/8 + 8/3 - 1/2
3.5/6 + 1/12 + 3/4
4.30/46 - 1/2 + 7/23
5.8/11 + 2/6 + 7/33
6.19/8 - 1/2 - 3/4
7.7/25 + 3/10 - 2/5
8.18/121 - 1/2 + 9/11
9.6/17 - 1/51 - 1/34
10.8/15 + 7/3 - 8/5
7 5 11 6 5 1
------ - ------ + ------- ------ + ------ - ------
8 6 12 7 14 2
17 25 5 2 5
8 - ------ - ------- 1------ - 〔---- + ----〕
42 42 9 3 9
5 1 1 11 2 1 7
— - 〔— + —〕 — - — + — - —
9 6 12 12 9 12 9
7 5 3 4 2 7
— + — - — — - — + —
12 6 4 5 3 6
2 5 5 8 5 3
— + 〔— - —〕 — - 〔— - —〕
3 7 14 9 6 4
14 1 7 29 14 3
— - 〔— + —〕 — - 〔— - —〕
15 4 30 30 15 4
13 7 11 17 19
— + — + — 3 - — - —
24 8 24 18 1
辛辛苦苦,乘法和除法呢?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 + 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这我写了有别的吗