1/2X2/3X3/4.X99/100X100/101递等式计算
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![1/2X2/3X3/4.X99/100X100/101递等式计算](/uploads/image/z/2777675-59-5.jpg?t=1%2F2X2%2F3X3%2F4.X99%2F100X100%2F101%E9%80%92%E7%AD%89%E5%BC%8F%E8%AE%A1%E7%AE%97)
1/2X2/3X3/4.X99/100X100/101递等式计算
1/2X2/3X3/4.X99/100X100/101递等式计算
1/2X2/3X3/4.X99/100X100/101递等式计算
1/2X2/3X3/4.X99/100X100/101(约去中间的)
=1/101
1/101
1/101
1/101 中间的都约掉了
1/101.
前项分母和后项分子约分就完了。