Question

elimine os parênteses e calcule

A) (+3) + (-2) + (+1)=
B) (-7) - (+2) - (-4)=
C) (-3) + (-5) - (-6)=
D) 10-(-4) - (+6)=
E) (-20) + (-10) + (+5)=
F) -(-8) + (-6) - (+7)=

??​

Answer 1

A)3-2+1=2
B)-7-2+4=-5
C)-3-5+6=-2
D)10+4-6=8
E)-20-10+5=-25
F)+8-6-7=-5

Answer 2

a)3-2+1=2
b)-7-2+4=-5
c)-3-5+6=-2
d)10+4-6=8
e)-20-10+5=-25
f)8-6-7=-5