Question

A = [( - 30) : 2]2









B = [( 9 + 62) – (53 : )] : 4






C = : (32 – 18 : 3)

Answer 1

A)

= [ -15 ].2

= -7,5.

B)

=[71 - (53 : )] :4

=[18:4]

=4,5.

C)14:3=4,6.