Как решить. раскрыть описание 3 класс .48:24= . 32:16= .88:11= .75:25=

1) 48 : 24 = (24 * 2) : 24 = 2 * (24 : 24) = 2 * 1 = 2;

2) 32 : 16 = (16 * 2) : 16 = 2 * (16: 16) = 2 * 1 = 2;

3) 88 : 11 = (8 * 11) : 11 = 8 * (11 : 11) = 8 * 1 = 8;

4) 75 : 25 = 3;

5) 64 : 32 = 2;

6) 85 : 17 = 5;

7) 30 + 2 * 28 - 36 = 30 + 56 - 36 = 30 + 20 = 50;

8) 50 - 96 : 6 + 40 = 50 - 16 + 40 = 90 - 16 = 74;

9) 39 * 2 + 22 - 74 = 78 + 22 - 74 = 100 - 74 = 26.

10) 72 : 3 = (60 + 12) : 3 = 20 + 4 = 24;

11) 92 : 4 = (80 + 12) : 4 = 20 + 3 = 23;

12) 76 : 2 = (80 - 4) : 2 = 40 - 2 = 38.