Question

Copie os itens a seguir, substituindo cada ⬛ pelo número correspondente.
(montar as contas)
A) 18 X ⬛ = 702. B) ⬛ X 43 = 3.096


C) 31 X ⬛ = 1.891. D) ⬛ X 25 = 2.575


E) 34 X ⬛ = 2.074. F) ⬛ X 11 X 22 = 1.452

​

Answer 1

Resposta:

a)18x=702

x=702/18

x=39

prova real: 18×39=702

b)43x=3.096

x=3.096/43

x=73

prova real: 73×43=3.096

c)31x=1891

x=1891/31

x=61

d)25x=2.575

x=2575/25

x=103

e)34x=2.074

x=2074/34

x=61

f)22x+11x=1452

f)33x=1452

x=1452/33

x=44