Question

[6x4(15/5)[+[2^2+(1x-5)]

Answer 1

71

Explanation:

[6x4(15/5)]+[2^2+(1x-5)]

BIDMAS (aka PEDMAS etc.)

Brackets

Indices

Division/Multiplication

Addition/Subtraction

[6 x 4(15/5)] + [2^2 + (1x-5)]

[6 x 4(3)] + [2^2 + (-5)]

[6 x 4(3)] + [4 + -5]

[6 x 12] + [4 + -5]

[72] + [4 + -5]

72 + [-1]

72 + - 1

72 - 1

71