October 2018 1 14 Report

Treść wyznacz x za pomocą proporcji :

1.zad

a) 9,2 : 23 = x : 1,2

b) X : 0,4 = 0,02 : 0,3

c) 2 i 1/4 : 3 i 1/3 = 4 i 1/5 : x


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