Question

Resolva as expressões:

a) 2 - 4.3 + 5² =
b) 7.5 + 2.4 =
c) 2² - 4.1.3 =

Answer 1

a) 2 - 4.3 + 5² = 25-12+2 = 15
b) 7.5 + 2.4 = 35 + 8 = 43
c) 2² - 4.1.3 = 4 - 12 = -8

Answer 2

a)2-12+25
    10+25=
resposta:35
b)35+8=
resposta:43
c)4-12=
resposta:8