5 * 2 = ☐; 10 : ☐ = 2.   7 * 3 = ☐; ☐ : 3 = 7.   3 * 9 = ☐; ☐ : 9 = 3.

3 классМатематика

5 * 2 = ☐;
10 : ☐ = 2.
 
7 * 3 = ☐;
☐ : 3 = 7.
 
3 * 9 = ☐;
☐ : 9 = 3.

5 * 2 = ☐; 10 : ☐ = 2.   7 * 3 = ☐; ☐ : 3 = 7.   3 * 9 = ☐; ☐ : 9 = 3.

Решение

5 * 2 = 10;
10 : 2 = 2.
 
7 * 3 = 21;
21 : 3 = 7.
 
3 * 9 = 27;
27 : 9 = 3.