September 2018 2 9 Report
1. Oblicz:
a) 7-10=7+(-10)=
12-18=
35-60=
18-26=
b) (-5)-4=
(-7)-12=
(-13)-22
(-50)-33
c) 6-(-9)=6+9=
(-4)-(-7)=
(-8)-(-3)=
(-15)-(-12)=

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