Question

Calcule : A) -25+18+9+(-15)-(-13)
B) (-40) : (-2) X 15 - 100
C) (-7) X (-5) - (-37) - 72

Answer 1

Olá Isabella!

a) -7 +9 -15 +13=
2 -2=0

b) -40 :-2 + x - 75
20 +x -75
x = -75/20
x = - 3.75

c)-7 + x -5 +37 - 72
x = +7 +5 -37 +72
x = 12 +40
x = 52