uzasadnij ze liczba 1,3(7) = 1 17/45.... Question from @bg060207or2sf7

October 2022 1 9 Report

uzasadnij ze liczba 1,3(7) = 1 17/45

SoeCru

x=1,3(7) |·10

10x=13,7(7) |-x

10x-x=13,7(7)-1,3(7)

9x=12,4 |:9

x=62/45

x=1 17/45

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