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A) 2,333...
10x= 23,333...
10x-x= 23,333... - 2,333...
9x= 21
x= 21/9
B) 4,1666...
10x= 41,666...
100x= 416,666...
100x-10x= 416,666... - 41,666...
90x= 375
x= 375/90
C) 3,181818...
100x= 318,181818...
100x-x= 318,181818... - 3,181818...
99x= 315
x= 315/99
10x= 23,333...
10x-x= 23,333... - 2,333...
9x= 21
x= 21/9
B) 4,1666...
10x= 41,666...
100x= 416,666...
100x-10x= 416,666... - 41,666...
90x= 375
x= 375/90
C) 3,181818...
100x= 318,181818...
100x-x= 318,181818... - 3,181818...
99x= 315
x= 315/99
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