Sprawdz czy podana równość jest prawdziwa 0,(72) + 0,(27)=1
0,(72) = 0,72727272...
x = 0,727272.... /*100
100x = 72, 727272....
100x - x = 72,727272... - 0, 72727272
99x = 72
x = 72/99 - ułamek
0,(27)=0,27272727...
x=0,272727... /*100
100x = 27,272727....
100x-x = 27,272727... - 0,272727...
99x = 27
x = 27/99 - ułamek
72/99 + 27/99 = 99/99 = 1
równość prawdziwa
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0,(72) = 0,72727272...
x = 0,727272.... /*100
100x = 72, 727272....
100x - x = 72,727272... - 0, 72727272
99x = 72
x = 72/99 - ułamek
0,(27)=0,27272727...
x=0,272727... /*100
100x = 27,272727....
100x-x = 27,272727... - 0,272727...
99x = 27
x = 27/99 - ułamek
72/99 + 27/99 = 99/99 = 1
równość prawdziwa