9/(9/8)/8/(8/7)/7/(7/6)/6/(6/5)/5/(5/4)/4/(4/3)用简便方法记算
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![9/(9/8)/8/(8/7)/7/(7/6)/6/(6/5)/5/(5/4)/4/(4/3)用简便方法记算](/uploads/image/z/360440-8-0.jpg?t=9%2F%289%2F8%29%2F8%2F%288%2F7%29%2F7%2F%287%2F6%29%2F6%2F%286%2F5%29%2F5%2F%285%2F4%29%2F4%2F%284%2F3%29%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%B0%E7%AE%97)
9/(9/8)/8/(8/7)/7/(7/6)/6/(6/5)/5/(5/4)/4/(4/3)用简便方法记算
9/(9/8)/8/(8/7)/7/(7/6)/6/(6/5)/5/(5/4)/4/(4/3)用简便方法记算
9/(9/8)/8/(8/7)/7/(7/6)/6/(6/5)/5/(5/4)/4/(4/3)用简便方法记算
9/(9/8)/8/(8/7)/7/(7/6)/6/(6/5)/5/(5/4)/4/(4/3)
=9/9*8/8/8*7/7/7*6/6/6*5/5/5*4/4/4*3
=1*1/8*1/7*1/6*1/5*1/4*3
=3/(4*5*6*7*8)
=1/2240