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计算:(1-2)x(2一3)x(3-4)x……x(100-101)
8个回答
相关问题
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1x1-2x2+3x3-4x4+5x5-6x6.-100x100+101x101
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1x(乘号)2+2x3+3x4+.+100x101=?
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1)1x2+2x3+3x4+...+100x101= 2)1x2+2x3+3x4+...n(n+1)= (3)1x2x3
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下面的等式成立:x1x2=x2x3=x3x4=x4x5=''''=x100x101=x101x1=1.求x1,x2,""
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2X1-2+2X2-3+2X3-`4+2X4-5+…十2X99_100十2X100_101
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1x2+2x3+3x4+·······+101x101=什么
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已知f(x)=1+x-x^2/2+x^3-x^4/4+.x^101/101 ,g(x)=1-x+x^2/2-x^3/3.
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有趣的数学题1.1x2x3 + 2x3x4 + 3x4x5 +.+100x101x102 2.1/(1x2x3) + 1
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1/(2X3)+1/(3X4)+1/(4X5)+1/(5X6)+...+1/(100X101)=?
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下列算式:①-2-2=[1/4];②(-3)100×(-[1/3])101=[1/3];③(x+2)(x-2)=x2-2