September 2018 3 50 Report
Odejmowanie liczb całkowitych.

8. Zapisz liczby bez nawiasów.
a) -(-4)
+(-17)
-(+15)
-(-13)
-(-34)
-(+21)
-(-1)
+(-254)

9. Oblicz.
a) 30 - 12
18 - 23
-18 - 23
b) 30 - (-12)
-23 + (-18)
-12 - 30
c)
23 - 18
-30 - 12
12 - 30
d)
-12 - (-30)
12 - (-30)
-30 - (-12)
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