prosze o rozpisanie :
a)
2+(-6)
-21+17
-3+(-8)
7+(-6)+12
15+(-2)+(-11)
b)
8-12
-14-6
-24-47
7-(-8)
-15-(-6)
c)
6+(-8)-4
15+(-7)-(-2)
5-12-(-27)
-5-(-13)+(-11)
-14-6+(-18)
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a)
2+(-6)=-4
-21+17=-4
-3+(-8)=-11
7+(-6)+12=13
15+(-2)+(-11)=2
b)
8-12=-4
-14-6=-20
-24-47=-71
7-(-8)=15
-15-(-6)=-9
c)
6+(-8)=-2
15+(-7)-(-2)=10
5-12-(-27)=20
-5-(-13)+(-11)=-3
-14-6+(-18)=-38
Myśle że pomogłem :)