Question

(2³.3²-6²):[18:(15-3.2²)]²

Answer 1

(2³.3²-6²):[18:(15-3.2²)]²
(2³.3²-6²):[18:(15-3.4)]²
(2³.3²-6²):[18:(15-12)]²
(2³.3²-6²):[18:3]²
(2³.3²-6²):[6]²
(2³.3²-6²): 36
(8.9-36):36
(72-36):36
36:36
1

Answer 2

(8 . 9 - 36) : [18 : (15 - 3 . 2⁴)]²

(72 - 36) : [18 : (15 - 12)]²

36 : [18 : 3]²

36 : [6]²

36 : 36 = 1