异分母分数加法练习题
1.9/11 + 1/5 =
2.10/12 + 6/8 =
3.2/9 + 1/5 =
4.7/12 + 1/2 =
5.6/7 + 3/4 =
6.5/9 + 8/10 =
7.3/7 + 1/2 =
8.1/6 + 3/11 =
9.1/2 + 1/2 =
10.2/7 + 3/12 =
11.6/7 + 3/5 =
12.1/6 + 7/12 =
13.4/5 + 5/12 =
14.2/5 + 4/7 =
15.1/4 + 4/5 =
16.1/2 + 8/10 =
17.4/6 + 4/5 =
18.6/7 + 1/4 =
19.3/4 + 2/3 =
20.3/11 + 1/2 =