zamien ułamek 0,(48) na ułamek zwykły prosze o szybkie odpowiedzi daje naj........
0,(48) = x
48,(48)=100x
------------------------
48 = 99x
x=48/99
0,(48) = ?
x = 0,(48)
x = 0,48(48) /·100
100x = 48,(48)
100x - x = 48,(48) - x
99x = 48,(48) - 0,(48)
99x = 48 /:99
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0,(48) = x
48,(48)=100x
------------------------
48 = 99x
x=48/99
0,(48) = ?
x = 0,(48)
x = 0,48(48) /·100
100x = 48,(48)
100x - x = 48,(48) - x
99x = 48,(48) - 0,(48)
99x = 48 /:99