October 2018 1 23 Report

Zad 20. Oblicz:


a) -66 - 44 =

45 - 54 =


b) -9 -(-64) =

-111 - 333 =


c) 89 - (-211) =

-7,5 - (-2,5) =


Zad 21. Uzupełnij:


a) 6 - ....... = 9

-4 -........ = 1


b) -7 - ....... = -10

0 - ........ = 7


c) 89 - (-211)=

-7,5 - (-2,5) =


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