September 2018 1 38 Report

Przykład:

0,(15) zamień na liczbę wymierną

0,151515....=x|*100
15,1515....=100x
15+0,1515....=100x
15+x=100x
15=99x
x=\frac{5}{33}

Tym samym sposobem zamień:

0,2(43); 1,4(5); -2,34(5)


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