分数加法+分数减法 口算题打印
1.45 - 38 = 3/7
2.14 - 24 = -1 3/4
3.26 + 38 = 5/7
4.14 + 510 = 3/4
5.110 + 34 = 6/7
6.36 + 15 = 7/10
7.78 + 12 = 1 3/8
8.23 + 56 = 1 1/2
9.24 + 25 = 9/10
10.26 - 24 = -1 5/6
11.14 - 110 = 1/7
12.12 - 210 = 3/10
13.13 + 35 = 13/14
14.38 + 12 = 7/8
15.45 + 13 = 1 1/7
16.25 - 35 = -1 4/5
17.78 - 26 = 6/11
18.24 - 14 = 1/4
19.12 + 12 = 1
20.12 + 12 = 1
21.12 + 12 = 1
22.28 - 13 = -1 10/11
23.28 + 16 = 5/12
24.12 + 23 = 1 1/6
25.610 - 38 = 2/9
26.310 - 12 = -1 4/5
27.24 + 38 = 7/8
28.56 - 18 = 5/7
29.12 + 510 = 1
30.15 - 12 = -1 7/10
31.23 + 23 = 1 1/3
32.410 + 310 = 7/10
33.26 - 12 = -1 5/6
34.13 + 410 = 8/11
35.78 - 23 = 1/5
36.45 - 910 = -1 9/10
37.36 + 12 = 1
38.12 - 16 = 1/3
39.68 - 36 = 1/4