原方程化简=2(1/1 -1/3+1/3-1/5+1/5-1/7+.+1/99-1/101)=2x100/101=200/101
用有理数加减法怎样算出1/1X3+1/3X5+L=1/97X99+1/99X101
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相关问题
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1x3/1+3x5/1+5x7/1+.+97x99/1+99x101/1
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1/1X3+1/3X5+…….+1/99X101
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1/1x3+1/3x5+1/5x7.1/99x101
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1/1X3 + 1/3X5 + 1/5X7 + .+ 1/99X101
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解答数学题1/1x3+1/3x5+...1/99x101
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1/1x3+1/3x5+1/5x7+.+1/99x101等于多少
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1X1/3+3X1/5+5X1/7+7X1/9+.+99X1/101=?
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1/1*3+1/3*5+1/5*7+……+1/97*99+1/99*101
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3x(1x2+2x3+3x4+……+99x100)= (A)97x98x99 (B)98x99x100 (C)99x 1
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100X100-99X99-98X98-97X97+…+2X2-1X1=?