a) (5+2)²; г) 52 + 22; a) (714:7-100)4; в) (954:9-636: 6)3;

Решим примеры:

1. a) $$(5+2)^2 = 7^2 = 49$$
2. г) $$5^2 + 2^2 = 25 + 4 = 29$$
3. a) $$(714 : 7 - 100)^4 = (102 - 100)^4 = 2^4 = 16$$
4. в) $$(954 : 9 - 636 : 6)^3 = (106 - 106)^3 = 0^3 = 0$$

Ответ: 1) 49; 2) 29; 3) 16; 4) 0