3 * 7 + 3; 8 * 3 − 3; 3 * 6 + 3; 3 * 7 − 3; 3 * 10 − 3; 3 * 9 + 3; 2 * 9 + 2; 2 * 7 − 2.

2 классМатематика

3 * 7 + 3;
8 * 33;
3 * 6 + 3;
3 * 73;
3 * 103;
3 * 9 + 3;
2 * 9 + 2;
2 * 72.

StaticConfig

3 * 7 + 3; 8 * 3 − 3; 3 * 6 + 3; 3 * 7 − 3; 3 * 10 − 3; 3 * 9 + 3; 2 * 9 + 2; 2 * 7 − 2.

Решение

3 * 7 + 3 = 3 * 8 = 24;
8 * 33 = 7 * 3 = 21;
3 * 6 + 3 = 3 * 7 = 21;
3 * 73 = 3 * 6 = 18;
3 * 103 = 3 * 9 = 27;
3 * 9 + 3 = 3 * 10 = 30;
2 * 9 + 2 = 2 * 10 = 20;
2 * 72 = 2 * 6 = 12.