Question

calcule o valor de cada expressao numerica.
(a)(-47+84) +(7-82):(85-70)+3.(-15+23+6)

(b) (-15-11):(-1-1)-8.(6-3)+3.(-77+39)+15​

Answer 1

a)(-47+84)+(7-82)÷(85-70)+3.(-15+23+6)

37+(-75)÷15+3.14

37-75÷15+3.14

37-5+3.14

32+3.14

35.14

b) (-15-11)÷(-1-1)-8.(6-3)+3(-77+39)-15

-26÷(-2)-8.3+3-38+15

+14-8.3+3-38+15

+32-46.3

-14.3

Espero ter ajudado!