Question

Ebetue as operações com numera internes
A) (+25) + (+30) =
B)(-25)+(-30)
c)-20-35=
D)(+25) + (-30)=
el (-60) + (+120)=
el(+12).(+12)=
g) (+12): (+12)=
H) (-12) • (-12-)=
1)(-12)•(+10)=
J (+12):(-4)=
k) (-12):(-12)=​

Answer 1

A) (+25) + (+30)=
+25 +30
= 55

B) (-25)+(-30)
-25 -30
= -55

C)-20-35
= -55

D) = -55

e) (-60)+(+120)
-60 + 120
= +60

f) (+12) . (+12)
= 144

g) (+12):(+12)
= 1

h) (-12).(-12)
= 144

i)(-12).(+10)
= -120

j) (+12):(-4)
= -3

k) (-12):(-12)
= +1