a) 1-(-5)
5-(-1)
10-(-20)
0-(-15)
B) (-3) - (-2)
(-4)-(-1)
(-6) - (-10)
(-2) - (-1)
C) 8-2
4-(+6)
(-5) - (+10)
0-12
(-10) - 3
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a) 1-(-5) =1+5=6
5-(-1)=5+1=6
10-(-20)=10+20=30
0-(-15) =0+15=15
B) (-3) - (-2) =-3+2=-1
(-4)-(-1)=-4+1=-3
(-6) - (-10)=-6+10=4
(-2) - (-1)=-2+1=-1
C) 8-2=6
4-(+6)=4-6=-2
(-5) - (+10) =-5-10=-15
0-12=-12
(-10) - 3=-10-3=-13
a) 1-(-5) =1+5=6
5-(-1)=5+1=6
10-(-20)=10+20=30
0-(-15) =0+15=15
B) (-3) - (-2) =(-3)+2=-1
(-4)-(-1)=-4+1=-3
(-6) - (-10)=-6+10=4
(-2) - (-1)=-2 +1=-1
C) 8-2=6
4-(+6)=4-6=-2
(-5) - (+10) =-5-10=-15
0-12=-12
(-10) - 3=-13