(5+7)² 5+7³ 12²-8 (12-8)³

Question

(5+7)²
5+7³
12²-8
(12-8)³

Answer 1

1)144 2)1728 3)16 4)64

Answer 2

(5+7)²=12*12=144
5+7³=7*7*7+5=343+5= 348
12²-8=144-8=136
(12-8)³= 4³=64