October 2018 1 9 Report

Rozwiąż równania (oblicz niewiadomą liczbę x)

a)

7 11/20 +x=9 7/20

b)

x+5 11/15= 7 2/15

c) x-4 5/8= 2 3/8

d)

11 4/9 -x =5 7/9


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