X+Y=10009.93%x+25%y=100
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X+Y=1000
9.93%x+25%y=100
9.93%x+25%y=100
25X+25Y=25000
9.93X+25Y=10000
上等式减下等式得
15.07X=15000
x=995.355
y=1000-995.355=4.645
9.93X+25Y=10000
上等式减下等式得
15.07X=15000
x=995.355
y=1000-995.355=4.645
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