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Respondido

Resolva as expressões abaixo: a) (–7)² –9 –(–1) + 4² = b) 10 + (–4) . (+3) –15 = com calculo
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Resposta :

EINSTEINDOYAHOOON

Resposta:

a) (–7)² –9 –(–1) + 4² = b) 10 + (–4) . (+3) –15

49 –9 –(–1) + 4² =

40 –(–1) + 4² =

40 +1+ 4² =

41+ 4² =

41+ 16 =

= 57

b) 10 + (–4) . (+3) –15

10-12-15

-2-15

=-17

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