simplify 2.1 bar - 2.10bar
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So...
Let 2.111..=x
100x=211.111..
Now,100x-x=211.11..-2.11..
99x=209
x=209/9
Similarly, Let 2.1010...be y
100y=210.1010...
Now,100y - y=210.1010..-2.1010...
99y=208
y=208/99
Now 2.111...-2.1010...
209/99-208/99
1/99(Ans)
kanchan2198:
but the answer is 1/99
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