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b) 0,(5)
x=0,(5)
10x=5,(5)
9x=5
x=5/9
c) 0,62 = 62/100 = 31/50
d) 1,(08)
x=1,(08)
100x=108,(08)
99x=107
x=107/99 = 1 i 8/99
e)1,(08)
x=1,(08)
100x=108,(08)
99x=107
x=107/99 = 1 i 8/99
f) 0,(1)
x=0,(1)
10x=1,(1)
9x=1
x=1/9