find the solution of math
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I don't know olaoalaoaoalaoalaoaao
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0
Step-by-step explanation:
1. x/y-1 = x/y -y/y
2. 1 -x/y = y/y -x/y
x/y-1÷1-x/y = [x/y-y/y]÷[y/y-x/y]
= (x-y) /(y-x)
1 - (x-y) ÷(y-x) = (y-x+x-y) ÷y-x
= 0÷(y-x)
=0
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