Question

Efetue os cálculos, usando o "devo-pago".
a) - 3 +7 - 4 =
b) -1 -2 -1 -1 -1 -1 + 7=
c) 18 - 22 =
d) -8 +10-3 =
e) 2/3 +3/4 - 4/6​

Answer 1

Resposta:

A)0

B)0

C)-4

D)-1

E)Não sei desculpas

Answer 2

Resposta:

A) - 3+7-4=4-4=0

B) - 1-2-1-1-1-1+7=-3-1-1-1-1+7=-7+7=0

C) 18-22=-4

D) - 8+10-3=2-3=-1

E) 2/3+3/4-4/6=8/12+9/12-8/12=17/12-8/12=9/12=3/4=0,75