Question

1) Resolva:
a)+ 5-4=
1)(+15):(-5)=
b)+6+7=
m)(-3):(-3)=
c)-8-4=
n)(-4):(+2)=
d)+8-3=
o)(+13).(O)=
e)+10-4=
p)(0).(-4)=
f)7-0=
q)(-4).(-5)=
g)0-8=
r)(+8).(-5)=​

Answer 1

a)+ 5 – 4= 1

1) (+15) : (-5) = –3

b) +6 + 7= 13

m) (-3) : (-3) = 1

c) -8 - 4 = –12

n) (-4) : (+2) = –2

d) +8 -3 = 5

o) (+13) . (O) = 0

e) +10 - 4 = 6

p) (0) . (-4) = 0

f) 7 - 0 = 7

q) (-4) . (-5) = 20

g) 0 - 8 = –8

r) (+8) . (-5) = –40