Question

1 – Resolva as expressões numéricas a seguir
a) (18 + 3 . 2) ÷ 8 + (5 . 3)
b) (8 . 4 + 3) ÷ 7 + (3 + 15 ÷ 5) . 3

Answer 1

a) (18+3.2)÷8+(5.3)

42÷8+(5.3)

5,25+15

(20,25)

b)(8.4+3)÷7+(3+15÷5).3

33+3÷7(3+15÷5).3

36÷7=5,15(3+15÷5).3

5,15+18÷5.3

23,15÷15

(1,54)

Espero ter ajudado☺