Question

1. Complete as sentenças com os numeros adequados.

a) 125 × 13 = × ___
b) (7 × 5) × 9 = ___ × (5×9)
c) 12451 × ___ = 12 451
d) 19 × ___ × 5 = 190 × 5
e) 8 × 12 × 5 = 8 × ___
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Answer 1

Resposta:

a) 125 × 13 = 13 × 125

b) (7 × 5) × 9 = 7 × (5×9)

c) 12451 × 1 = 12 451

d) 19 × 10 × 5 = 190 × 5

e) 8 × 12 × 5 = 8 × 60

Explicação passo-a-passo: