2002/(1*3)+2002/(3*5)+2002/(7*9)+2002/(9*11)等于多少
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![2002/(1*3)+2002/(3*5)+2002/(7*9)+2002/(9*11)等于多少](/uploads/image/z/437826-66-6.jpg?t=2002%2F%EF%BC%881%2A3%EF%BC%89%2B2002%2F%EF%BC%883%2A5%EF%BC%89%2B2002%2F%EF%BC%887%2A9%EF%BC%89%2B2002%2F%289%2A11%29%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91)
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2002/(1*3)+2002/(3*5)+2002/(7*9)+2002/(9*11)等于多少
2002/(1*3)+2002/(3*5)+2002/(7*9)+2002/(9*11)等于多少
2002/(1*3)+2002/(3*5)+2002/(7*9)+2002/(9*11)等于多少
2002÷(1/1×3+3×5+7×9+9×11)=2002×1/2×(1-1/3+1/3-1/5+1/5-1/7+1/7-1/9+1/9-1/11)
=1001×10/11=910