February 2019 0 20 Report
Zad.3 str. 63 ( zeszyt ćwiczeń: odejmowanie liczb całkowitych )

Oblicz:

a) (-7) - 1 =
(-5)+(-1)=

b) 2-6=
2+(-6)=

c) (-8) - 9=
(-8)+(-9)=

PROSZĘ -> TO NA JUTRO !

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