求教六年级一道简算题,要有分析过程1 1 1 1 1 ____ + ______ +_______+.+______ +_______ 1*3 3*5 5*7 17*19 19*21问题没有表述清楚,原题可以表述为1/(1*3)+1/(3*5)+1/(5*7)+...
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![求教六年级一道简算题,要有分析过程1 1 1 1 1 ____ + ______ +_______+.+______ +_______ 1*3 3*5 5*7 17*19 19*21问题没有表述清楚,原题可以表述为1/(1*3)+1/(3*5)+1/(5*7)+...](/uploads/image/z/1015745-41-5.jpg?t=%E6%B1%82%E6%95%99%E5%85%AD%E5%B9%B4%E7%BA%A7%E4%B8%80%E9%81%93%E7%AE%80%E7%AE%97%E9%A2%98%2C%E8%A6%81%E6%9C%89%E5%88%86%E6%9E%90%E8%BF%87%E7%A8%8B1++++++++1++++++++1+++++++++++1++++++++1+____+%2B+______+%2B_______%2B.%2B______+%2B_______+1%2A3+++++3%2A5++++++5%2A7++++++++++17%2A19++++19%2A21%E9%97%AE%E9%A2%98%E6%B2%A1%E6%9C%89%E8%A1%A8%E8%BF%B0%E6%B8%85%E6%A5%9A%EF%BC%8C%E5%8E%9F%E9%A2%98%E5%8F%AF%E4%BB%A5%E8%A1%A8%E8%BF%B0%E4%B8%BA1%2F%281%2A3%29%2B1%2F%283%2A5%29%2B1%2F%285%2A7%29%2B...)
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