Question

Resolva o valor numerico de acordo com a regra escrita 10-12+8-9

Answer 1

Resposta:

10 -12 +8 -9

-2 +8 -9

-2 -1

-3

Answer 2

$\large{10 - 12 + 8 - 9} \\ \large{18 - 12 - 9} \\ \large{18 - 21} \\ \large \boxed{ \: \red{ - 3 \: }}$

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