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2017-08-30
1、9/7 - ( 2/7 – 10/21 )
2、5/2 -( 3/2 + 4/5 )
3、7/8 + ( 1/8 + 1/9 )
4、6/2 -( 3/2 + 4/5 )
5、8 + ( 1/8 + 1/9 )
6、4/7 - ( 2/7 – 10/21 )
7、2/9+1/2-4/5+3/8
8、1/2+1/4+4/5-1/8
9、3-5/4 + 1/4
10、3/14 - 2/3 + 1/6
11、 1/5 +2/3 + 5/6
12、3 - 2/9 + 1/3
13、 5/7+ 3/25 + 3/7
14、17/32 – 3/4 + 9/24
15、1/3 +6/5– 5/6
16、8-5/4 + 1/4
17、1/9 +1/8 – 1/4 - 2/7
18、2+5/6 – 2/9 -3
19、1/4 +8/7 – 5/6 -12/15
20、5/9 + 1/8 – 1/4 - 2/7
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 )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 -/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
3/8+7/10+5/8=17/10 7/8-(1/8+3/4)=0 4/7+1/6-4/7=1/6
2-7/9-2/9=1 3/5+7/8+2/5=15/8 7/9-(1/9+1/3)=1/3
1/4+(2/5+3/4)=7/5 5/6-3/10+1/6-7/10=0 3/4+1/6-2/3=1/4
7/8-1/4+4/9=77/72 1-1/3+2/7=20/21 1/2+4/5-3/10=1
5/6-(2/3-1/9)=5/18 9/10-(3/4+1/8)=1/40 1/2+2/3-3/4=5/12
7/8-1/6+1/4=23/24 1-(3/4-2/9)=17/36 9/10-1/5-1/2=1/5
1/4+3/7+1/2=33/28 7/8-(2/3+1/6)=1/24 1-(1/3+3/5)=1/15
1/2+1/4+1/3=13/12 7/8+1/4+1/2=5/8 5/7-(4/7+1/9)=2/63
1-1/4-1/2=1/4 3/4-1/6-1/3=1/4 3/10+1/4+2/5=19/20
2/3+1/6+1/12=11/12 1-1/4-2/5=7/20 1/2+1/9+1/12=25/36
QAQ这够了吗