用30个可以摆 个。
12÷4= |
4×8= |
39+29= |
45÷5= |
2×2×6= |
49÷7= |
0÷2= |
54﹣47= |
40÷8= |
56÷7÷2= |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
平平 | × | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
明明 | × | × | 〇 | 〇 | × | 〇 | × | 〇 | × | 〇 |
玲玲 | × | 〇 | 〇 | × | × | 〇 | 〇 | 〇 | × | 〇 |
芳芳 | 〇 | 〇 | × | × | 〇 | 〇 | 〇 | × | 〇 | × |
名字 | 平平 | 明明 | 玲玲 | 芳芳 |
投中 |