September 2018 3 9 Report

zad18

Oblicz.

a) -7 -8- (-12) +5=

b) -12 -(-23) -14 -(-17) -(-9)=

c) -65 -(-35) + ( -33) -(-26)=

d) 23-46+31 -57 -(-34) +(-71)=





zad.19

a) 234-(-532)=

b) -63 +(-876) =

c) -294 +(-756) -(-342)=

d) 1402 -(-932) -703 +(-903)=


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