Question

Zamień na ułamek zwykły
0,3(57)
2,52(32)
0,(37)

Answer 1

0,3(57)=59/165
x=0,3575757
10x=3,575757............
100x=35,7575757,,,,,,,,,,,
1000x=357,575757.............
1000x-10x=357-3
990x=354
x=354/990
x=177/495
x=59/165
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2,52(32)=1249/495
x=2,52323232................
10x=25,2323232..............
100x=252,3232323............
1000x=2523,2323232.............
1000x-10x=2523-25
990x=2498
x=2498/990
x=1249/495
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0,(37)=37/99
x=0,373737.............
10x=3,7373737...............
100x=37,373737...............
100x-x=37
x=37/99