(975*579-198)/(578*976+199)怎样计算
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![(975*579-198)/(578*976+199)怎样计算](/uploads/image/z/8383262-14-2.jpg?t=%28975%2A579-198%29%2F%28578%2A976%2B199%29%E6%80%8E%E6%A0%B7%E8%AE%A1%E7%AE%97)
(975*579-198)/(578*976+199)怎样计算
(975*579-198)/(578*976+199)怎样计算
(975*579-198)/(578*976+199)怎样计算
(975*579-198)/(578*976+199)
=(975*578+975-198)/(578*975+578+199)
=(975*578+777)/(578*975+777)
=1
=1