第三题由X(n+2)=X(n+1)-XnX3=X2-X1=3-1=2X4=-1X5=-3X6=-2X7=1X8=3X9=-2X10=-5X11=3X12=8X13=5X14=-3X15=-8X16=-5X17=3X18=8循环开始即m>=1时,X(6m+4)=-5X(6m+5)=3X(6m+6)=8X(6m+7)=5X(6m+8)=-3X(6m+9)=-8求S100 累加的 S100=a1+a2+a99-a1=1+3-1+(-3) 哪
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 04:55:37
![第三题由X(n+2)=X(n+1)-XnX3=X2-X1=3-1=2X4=-1X5=-3X6=-2X7=1X8=3X9=-2X10=-5X11=3X12=8X13=5X14=-3X15=-8X16=-5X17=3X18=8循环开始即m>=1时,X(6m+4)=-5X(6m+5)=3X(6m+6)=8X(6m+7)=5X(6m+8)=-3X(6m+9)=-8求S100 累加的 S100=a1+a2+a99-a1=1+3-1+(-3) 哪](/uploads/image/z/3172423-31-3.jpg?t=%E7%AC%AC%E4%B8%89%E9%A2%98%E7%94%B1X%28n%2B2%29%3DX%28n%2B1%29-XnX3%3DX2-X1%3D3-1%3D2X4%3D-1X5%3D-3X6%3D-2X7%3D1X8%3D3X9%3D-2X10%3D-5X11%3D3X12%3D8X13%3D5X14%3D-3X15%3D-8X16%3D-5X17%3D3X18%3D8%E5%BE%AA%E7%8E%AF%E5%BC%80%E5%A7%8B%E5%8D%B3m%3E%3D1%E6%97%B6%2CX%286m%2B4%29%3D-5X%286m%2B5%29%3D3X%286m%2B6%29%3D8X%286m%2B7%29%3D5X%286m%2B8%29%3D-3X%286m%2B9%29%3D-8%E6%B1%82S100+%E7%B4%AF%E5%8A%A0%E7%9A%84+S100%3Da1%2Ba2%2Ba99-a1%3D1%2B3-1%2B%28-3%29+%E5%93%AA)
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