Question

A)50²+(2²x50=

B)30²+[2x(10x15)]=

contas armadas

Answer 1

a) 50^2+(2^2*50)
2500+(4*50)
2500+200= 2700


b). 30^2+[2*(10*15)]
900+[2*(150)]
900+[300]
900+300=1200

Answer 2

A) 50^2+(2^2+50)
=50×50+(2×2+50)
=2500+(4+50)
=2500+54
=2554