|1/201-1/2000|+|1/2002-1/2001|-|1/2002-1/2000|化繁为简

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|1/201-1/2000|+|1/2002-1/2001|-|1/2002-1/2000|化繁为简
x)17205`oX7y3';v=_`TOv 3l l(v;NytZgS7耨/u=Я{ڰ_\idzABz^|ܧwU ~ںٜ5/vye>P4^޳Ά'>tOPjB0hj 4m>g,Skk`_\3m

|1/201-1/2000|+|1/2002-1/2001|-|1/2002-1/2000|化繁为简
|1/201-1/2000|+|1/2002-1/2001|-|1/2002-1/2000|
化繁为简

|1/201-1/2000|+|1/2002-1/2001|-|1/2002-1/2000|化繁为简
相同分子的分数,分母越小,分数值越大.又正数和零的绝对值为其本身,负数的绝对值为其相反数.所以原式=-(1/2001-1/2000)-(1/2002-1/2001)+(1/2002-1/2000)=-1/2001+1/2000-1/2002+1/2001+1/2002-1/2000=0