Question

calcule :
a)7-(-2)=
b)7-(+2)=
c)2-(-9)=
d)-5-(-1)=
e)-5-(+1)=
f)-4-(+3)=
g)8-(-5)=
h)7-(+4)=

Answer 1

a)7-(-2)=7+2=9
b)7-(+2)=7-2=5
c)2-(-9)=2+9=11
d)-5-(-1)=-5+1=-4
e)-5-(+1)=-5-1=-6
f)(-4)-(+3)=-4-3=-7
g)8-(-5)=8+5=13
h)7-(+4)=7-4=3

Answer 2

SINAIS IGUAIS SOMA, DIFERENTES SUBTRAI.
9
5
11
-4
-4
-1
13
3