Oblicz:
a) 5-8
3-7
4-15
8-28
b) (-3)-2
(7)-3
(-1)-12
(-10)-5
c) 5-(-5)
7-(-1)
2-(-3)
4-(-12)
d) -7-(-5)
-8-(-7)
-9-(-9)
-18-(-6)
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a)
3
-4
-11
-20
b)
-5
-10
-13
-15
c)
10
8
5
16
d)
-2
-1
0
-12
a)
5-8=-3
3-7=-4
4-15=-11
8-28=-20
b)
-3-2=-5
-7-3=-10
-1-12=-13
-10-5=-15
c)
5-(-5)=10
7-(-1)=8
2-(-3)=5
4-(-12)=16
d)
-7-(-5)=-2
-8-(-7)=-1
-9-(-9)=0
-18-(-6)=-12