zad 4.2 Jaka liczbe trzeba dodac do 5 3/4, zeby otrzymac 8 1/2?
5 3/4= 5,75 8 1/2= 8,5 8,5-5,75=2,75
zad.4
x-niewiadoma liczba
x+ 5,75=8,5 /-5,75
x=2,75
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5 3/4= 5,75 8 1/2= 8,5 8,5-5,75=2,75
zad.4
x-niewiadoma liczba
x+ 5,75=8,5 /-5,75
x=2,75