若任意正整数n都 ,a1+aa2+a3+······+aa=n,则1/a2-1+1/a3-1+``````+1/a100-1=
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若任意正整数n都,a1+aa2+a3+······+aa=n,则1/a2-1+1/a3-1+``````+1/a100-1=若任意正整数n都,a1+aa2+a3+······+aa=n,则1/a2-1
若任意正整数n都 ,a1+aa2+a3+······+aa=n,则1/a2-1+1/a3-1+``````+1/a100-1=
若任意正整数n都 ,a1+aa2+a3+······+aa=n,则1/a2-1+1/a3-1+``````+1/a100-1=
若任意正整数n都 ,a1+aa2+a3+······+aa=n,则1/a2-1+1/a3-1+``````+1/a100-1=
a1-1+a2-1+···+an-1=n²-n(1/a1-1+1/a2-1+···+1/a100-1)*100²-100=(a2-1+a3-1+···+a100-1)+(a1-1+a3-1+···+a100-1)+........+(a1-1+a3-1+···+a99-1)=99*100²原式=(99*100²)/(100²-100)=100
若任意正整数n都 ,a1+aa2+a3+······+aa=n,则1/a2-1+1/a3-1+``````+1/a100-1=
对于任意的正整数n,都有a1+a2+a3...an=nx nx n 求1/a2-1+(1/a3-1)+.1/a100-1
已知对于任意正整数n都有a1+a2+...+an=n^3,则(1/a2-1)+(1/a3-1)+...+(1/a100-1)=_____
设a1,a2,a3,...an是n维列向量空间Rn的一个基,A是任意一个n阶可逆矩阵,证明:n维列向量组Aa1 Aa2 Aa3.Aan一定是Rn的基.
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已知对于任意正整数n,都有a1+a2+…+an=n^3,试求1/(a2-1)+1/(a3-1)+…+1/(a100-1)=的值看不懂,能不能解答的更完整些?
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已知对于任意正整数n,都有a1+a2+……+an=n³则1/(a2-1)+1/(a3-1)+……+1/(a100-1)=
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