小学数学分数很合运算题

来源:百度知道 编辑:UC知道 时间:2024/06/21 13:09:09

1. 3/7 × 49/9 - 4/3
2. 12× 5/6 – 2/9 ×3
3. 4.8× 5/4 + 1/4
4. 4/7 × 5/9 + 3/7 × 5/9
5. 5/2 -( 3/2 + 4/5 )
6. 7/8 + ( 1/8 + 1/9 )
7. 3/4 × 8/9 - 1/3
8. 7 × 5/49 + 3/14
9. 8×4/5+8 × 11/5
10. 31 × 5/6 – 5/6
11. 5/9 × 18 – 14 × 2/7
12. 4/5 × 25/16 + 2/3 × 3/4
13. 14×8/7–5/6 × 12/15
14. 17/32 – 3/4 × 9/24
15. 45 × 2/3 + 1/3 × 15
16. 7/19 + 12/19 × 5/6
17. 8/7 × 21/16 + 1/2
18. 101 × 1/5 – 1/5 × 21
19. 120-144÷18+35
20. (58+37)÷(64-9×5)

1.[(5.84-3.9)/0.4+0.15]*0.92
2.4.38/(36.94+34.3*0.2)
3.(284+16)*(512-8208/18)
4.5.4/[2.6*(3.7-2.9)+0.62]
5.[(7.1-5.6)*0.9-1.15]/2.5
6.32.52-(6+9.728/3.2)*2.5
7.5.8*(3.87-0.13)+4.2*3.7
8.8/9*[15/16*(7/16-1/4)/1/2]
9.[5 1/2-1.04*(1 2/3+5/6)]/2.9
10.6 3/7 /3/7-[(7-0.5)*1/4]
11.(0.75+0.2)/0.25*25%+12/0.75+7.2/2.4
12.1.21*42-(4.46+0.14)*1375+450/18*25
13.1+0.45/0.9-0.