Question

determine o valo da expressão numéricas b) (7×7+5) :(18:3+5)×2
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Answer 1

Oie, Td Bom?!

$= (7 \: . \: 7 + 5) \div (18 \div 3 + 5) \: . \: 2$

$= (49 + 5) \div (6 + 5) \: . \: 2$

$= 54 \div 11 \: . \: 2$

$= \frac{54}{11} \: . \: 2$

$= \frac{108}{11}$

$≈9,81818...$

Att. Makaveli1996