Question

efetue as expressões numéricas 30+(42+100)+300-70=​

Answer 1

Resposta:

30+142+300-70=

172+300-70=

472-70=

402

Answer 2

Explicação:

$30+(42+100)+300-70=$

$30 + 142 + 300 - 70 =$

$172 + 300 - 70 =$

$472 - 70 =$

$402$