October 2018 1 30 Report

odejmowanie liczb całkowitych

oblicz :

30-12=... 30- (-12)=... 23 - 18=...

-12 - (-30)=... 18-23=... -23 + (-18)=...

-30 - 12=... 12 - (-30)=... -18- 23=...

-12 - 30=... 12 - 30=.. -30 - (-12)=...

NA JUTRO PLISS POMÓŻCIE!!! ;*


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