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问题: 请问这道小学数学题的简便方法

1/2+5/6+11/12+19/20+41/42+...+9701/9702+9899/9900

解答:

=(1+1/2-1)+(1+1/3-1/2)+(1+1/4-1/3)+(1+1/5-1/4)+......(1+1/100-1/99)
=99-1+1/100
=9801/100