Решите плиз (5+7)²=, 5+7³, 12²-8, (12-80)³

Question

Решите плиз (5+7)²=, 5+7³, 12²-8, (12-80)³

Answer 1

(5+7)^2=25+70+49=144
5+7^3=5+343=348
12^2-8=144-8=136
(12-80)^3=12^3-3×12^2×80+3×12×80^2-80^3=...