第1个回答 2012-08-25
自己买书 开 1.17/32 – 3/4 × 9/24
2.3 × 2/9 + 1/3
3. 5/7 × 3/25 + 3/7
4.3/14 ×× 2/3 + 1/6
5.1/5 × 2/3 + 5/6
6.9/22 + 1/11 ÷ 1/2
7.5/3 × 11/5 + 4/3
8.45 × 2/3 + 1/3 × 15
9.7/19 + 12/19 × 5/6
10.1/4 + 3/4 ÷ 2/3
11.8/7 × 21/16 + 1/2
12.101 × 1/5 – 1/5 × 21
13.3/7 × 49/9 - 4/3
14.8/9 × 15/36 + 1/27
15.12× 5/6 – 2/9 ×3
16.8× 5/4 + 1/4
17.6÷ 3/8 – 3/8 ÷6
18.4/7 × 5/9 + 3/7 × 5/9
19.5/2 -( 3/2 + 4/5 )
20.7/8 + ( 1/8 + 1/9 )
21.9×5/6+5/6
22.3/4 × 8/9 - 1/3
23.7 × 5/49 + 3/14
24.6×( 1/2 + 2/3 )
25.8 × 4/5 + 8 × 11/5
26.31 × 5/6 – 5/6
27.9/7 - ( 2/7 – 10/21 )
28.5/9 × 18 – 14 × 2/7
29.4/5 × 25/16 + 2/3 × 3/4
30.14 × 8/7 – 5/6 × 12/15
31.17/32 – 3/4 × 9/24
32.3×2/9 + 1/3
33.5/7 × 3/25 + 3/7
34.3/14 ×× 2/3 + 1/6
35.1/5 × 2/3 + 5/6
36.9/22 + 1/11 ÷ 1/2
37.5/3 × 11/5 + 4/3
38.45 × 2/3 + 1/3 × 15
39.7/19 + 12/19 × 5/6
40.1/4 + 3/4 ÷ 2/3
41.8/7 × 21/16 + 1/2
42.101 × 1/5 – 1/5 × 2
43.(1.2×5+7)+1/4×3/8
44.(4.75+3/5)×3.2÷5×(55.5+0.5)
45. {7×8.5+(3.5+1/4×10)}÷5
46.(30×1/6+20)÷5-1.372
47.(3/5×10-3.72)×7-(0.785+1.748)
48.0.582×0.254÷1/6+4.523-0.215
49.7.21×0.4+5.24-0.421
50.5.246×2.145×120-0.283
51.5.632-{(4.2×2+2.6)-1}÷5
52.8.9×52.3×16.2+(5.641-4.879)
1. 3/4*1/9+1/4*1/9
2. 5/8*2/7+5/8*5/7
3. 101*1/5-1/5*21
4. 31*5*6-5/6
5. 8*4/5+8*11/5
6. 6*(1/2+2/3)
7. (3/5-1*2)*5/3
8. 12*(2*3+1/6)
9. 4/7*5/9+3/7*5/9
10. (3+1)*5/6
11. 5/2*(3/2+4/5)
12. 1/6*(2/3+3/4)
13. 7/72*(1/8+1/9)
14. 9*5/6+5/6
15. 12*5/6-5/6*3
16. 21/22*(2/7+10/21)
17. 45*2/3+1/3*45
18. 1/5*2/3+4/3*1/5
19. 9/11*(11/18+11/20)
就这么多了