Question

1-Resolva:
a)(+3)+(-2)+(-5)=
b)(-2)-(+1)-(+5)=
c)(+4)+(-2)-(+3)=
d)(+5)-(-3)-(-1)=
e)(+4)+(-6)-(+7)-(-6)+(+7)=
f)(-3)-(-5)+(-6)+(+8)-(-4)=
g)+(-3+8)-(-3+8)+(5-6)=
h)-(-3-1)-(-6+4-1)-6-(-3+2)=
i)18-(-5-2-3)+20-(-6+8)-(-1-8+3)=
j)-32-1-(-12+14+7)+(-5-6-9+3)-17=

2-Efetue:
a)(+5).(+3)=
b)(+4).(-5)=
c)(-8).(+4)=
d)(-6).(-7)=
e)(-2).(+4).(+3).(-1)=
f)(-5).(-6).(-2)=
g)2.(-3).(+6)=
h)(-77)÷(+11)=
i)(+15)÷(-14+1)=
j)(+20)÷(-3-2)=
k)(-35)÷(+7)=
l)(-40)÷(-5)=
m)(+51)÷(-2-1)=
n)(-3).(-15):(-1-2)=
o)500:(3-23)=
p)(-750):(-11+21)=​

Answer 1

A)(+5).(+3)=15

B)(+4).(-5)=-20

C)(-8).(+4)-32

D)(-6).(-7)=42

E)(-2).(+4).(+3).(-1)=24

F)(-5).(-6).(-2)=-32

O resto nao poderei ajudar mais,tá aí algumas