(3975x2579-198)/(2578x3976+1199)怎么简算

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答案和解析

(3975x2579-198)/(2578x3976+1199)
=(3975x2578+3975-198)/(2578x3975+2578+1199)
=(3975x2578+3777)/(2578x3975+3777)
=1

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