你好,先把X提出来,左边相加则有
5050X=50500X,所以X=0,
希望能帮到你··········
方程(1X+2X+3X…+98X+99X+100X=50500X)请问X等于多少?
3个回答
相关问题
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3x（1x2+2x3+3x4+……+99x100）= （A）97x98x99 （B）98x99x100 （C)99x 1
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100X100—99X99+98X98+...+2X2—1X1
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1X1+2X2+3X3+4X4+5X5.+98X98+99X99+100X100=?
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100X100-99X99-98X98-97X97+…+2X2-1X1=?
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1x1+0x1+2x2+1x2+3x3+2x3+4x4+3x4……99x99+98x99+100x100+99x100
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计算100X100-99X99+98X98-97X97+...+2X2-1X1=
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1/x(x+1)(x+2)+1/(x+1)(x+2)(x+3).+1/(x+98)(x+99)(x+100)=?
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1/1x2x3+1/2x3x4.1/98x99x100拜托了各位
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100x99+98x97+96x95+94x93.+4x3+2x1
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解方程1/(x+1)(x+2)+1/(x+2)(x+3)+...+1/(x+99)(x+100)+1/x+100=199