September 2018 1 67 Report

oblicz

zad1)ulamek o mianowniku 5/6 przedstaw w postaci 2 różnych ulamkó o liczniku 1

zad2)2,5*(3/4:3+0,15)-1/10 prosze o wszystkie obliczenia

zad3)

3 i 2/7+5 i 4/9=

5 i 1/3-2 i 5/8=

4 i 2/3-2 i 2/5=

9 i 1/5:2 i 5/9


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