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
13
12
