在得数比12小的算式后面画“√”

9 + 3 = 12 9 + 5 9 + 2

6 + 6 = 12 5 + 6 7 + 6

4+ 8 = 12 4 +9 3+8

√

√

√

5 + 6 = 6 + 8 = 3 + 8 =

5 + 8 = 6 + 6 = 4 + 7 =

6 + 7 = 5 + 9 = 5 + 7 =

看谁算得又对又快！

14

11

11

13

12

11

13

14

12