Question

Calcule o valor das seguintes expressões


a(13+2)×3+5=
b(7+2)×(3-1)=
c(4+2×5)-3=
d20-(15+6÷3)=
e 15+[6+(8-4÷2)]

Answer 1

a(13+2)×3+5=15×3+5=45+5=50

b(7+2)×(3-1)=9×2=18

c(4+2×5)-3=(4+10)-3=14-3=11

d20-(15+6÷3)=20-(15+2)=3

e15+[6+(8-4÷2)]
15+[6+(8-2)]
15+[6+6]
15+12
27