分数加法+分数减法 口算题打印
1.45 - 610 = 1/5
2.12 - 14 = 1/4
3.12 - 25 = 1/10
4.23 + 24 = 1 1/6
5.12 + 210 = 7/10
6.16 + 710 = 6/7
7.15 - 25 = -1 4/5
8.410 - 35 = -1 4/5
9.810 + 23 = 1 6/13
10.910 - 12 = 2/5
11.14 - 38 = -1 7/8
12.14 - 12 = -1 3/4
13.58 + 14 = 7/8
14.25 - 78 = -1 8/15
15.25 + 810 = 1 1/5
16.12 - 46 = -1 5/6
17.25 - 46 = -1 8/11
18.34 - 14 = 1/2
19.12 + 28 = 3/4
20.310 + 48 = 4/5
21.26 - 310 = 0.03
22.13 + 13 = 2/3
23.910 - 14 = 9/14
24.78 - 34 = 1/8
25.24 - 23 = -1 5/6
26.28 - 910 = -1 5/14
27.23 - 14 = 5/12
28.18 + 34 = 7/8
29.24 - 910 = -1 3/5
30.45 + 12 = 1 3/10
31.35 - 810 = -1 4/5
32.23 + 46 = 1 1/3
33.18 + 25 = 8/15
34.45 - 56 = -0.03
35.14 + 15 = 4/9
36.16 + 38 = 6/11
37.910 - 12 = 2/5
38.24 + 12 = 1
39.12 + 12 = 1