October 2018 2 7 Report

11.Oblicz jak najprostszym sposobem :

a) 105+(-7)+(-13)+20=...

b) -16+67+(-10)+(-7)+66=...

c)2i2/5+(4,1)+7i3/5+(-5,9)=...

e) -0,75+6,3+(-1,1)+(1/4)+(6,3)=...


prosze szybko o odpowiedż


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