观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1); 1/(x-2)(x-3)=1/(x-3)-1/(x-2);观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1);1/(x-2)(x-3)=1/(x-3)-1/(x-2);1/(x-3)(x-4)=1/(x-4)-1/(x-3);1/(x-4)(x-5)=1/(x-5)-1/(x-4);.(1)你可以归纳出一般结

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观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1);1/(x-2)(x-3)=1/(x-3)-1/(x-2);观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-

观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1); 1/(x-2)(x-3)=1/(x-3)-1/(x-2);观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1);1/(x-2)(x-3)=1/(x-3)-1/(x-2);1/(x-3)(x-4)=1/(x-4)-1/(x-3);1/(x-4)(x-5)=1/(x-5)-1/(x-4);.(1)你可以归纳出一般结
观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1); 1/(x-2)(x-3)=1/(x-3)-1/(x-2);
观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1);
1/(x-2)(x-3)=1/(x-3)-1/(x-2);
1/(x-3)(x-4)=1/(x-4)-1/(x-3);
1/(x-4)(x-5)=1/(x-5)-1/(x-4);
.
(1)你可以归纳出一般结论是____________.
(2)请利用上述结论计算:1/(x+1)+1/(x-1)(x+2)+1/(x-2)(x-3)+...+1/(x-99)(x-100).

观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1); 1/(x-2)(x-3)=1/(x-3)-1/(x-2);观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1);1/(x-2)(x-3)=1/(x-3)-1/(x-2);1/(x-3)(x-4)=1/(x-4)-1/(x-3);1/(x-4)(x-5)=1/(x-5)-1/(x-4);.(1)你可以归纳出一般结
可以归纳出一般的结论是:相邻的两个自然数积的倒数等于这两个自然数的倒数之差!
1/(x-1)(x-2)+1/(x-2)(x-3)+……+1/(x-99)(x-100)
=1/(x-1)-1/(x-2)+1/(x-2)-1/(x-3)+……+1/(x-99)-1/(x-100)
=1/(x-1)-1/(x-100)
=[(x-100)-(x-1)]/[(x-1)(x-100)]
=-99/[(x-1)(x-100)]

观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1); 1/(x-2)(x-3)=1/(x-3)-1/(x-2); 1/(x-3)(x-4)=1/(x-4)-1/(x-3); 1/(x-4)(x-5)=1/(x-5)-1/(x-4); ...

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观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1); 1/(x-2)(x-3)=1/(x-3)-1/(x-2); 1/(x-3)(x-4)=1/(x-4)-1/(x-3); 1/(x-4)(x-5)=1/(x-5)-1/(x-4); ......(1)你可以归纳出一般结论是____________.(2)请利用上述结论计算:1/(x+1)+1/(x-1)(x+2)+1/(x-2)(x-3)+...+1/(x-99)(x-100).

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观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1); 1/(x-2)(x-3)=1/(x-3)-1/(x-2);观察下列关系式:1/(x-1)(x-2)=1/(x-2)-1/(x-1);1/(x-2)(x-3)=1/(x-3)-1/(x-2);1/(x-3)(x-4)=1/(x-4)-1/(x-3);1/(x-4)(x-5)=1/(x-5)-1/(x-4);.(1)你可以归纳出一般结 观察下列等式:(x-1)(x+1)=x-1, 观察下列关系式,1/(x-1)(x-2)={1/(x-2)}-{1/(x-1)}、.你可归纳出一般的结论是?计算1/(x-1)(x-2)+1/(x-2)(x-3)+.到1/(x-99)(x-100) 观察下列各式:(x-1)(x+1)=x²-1 观察如图所示的计算程序,回答下列问题:输入x→取相反数→×2→-2→输入y(1)确定y与x之间的函数关系式;(2)画出该函数的图像,并确定图像与x轴、y轴的交点坐标;(3)若一条直线与该 已知x,y满足下列关系式,将关系式写成y是x的函数关系(1)2x-y=5;(2)1/3xy=2;(3)x=7-y/2 观察下列分式:-1/x 2/x^2 -4/x^3 8/x^4 -16/x^5 ……根据你的发现,第n项是() 观察下列数:1,3,2,6,5,15,14,x,y,z,122.求x,y,z 观察下列各式:(x-1)(x+1)=x的二次方-1;(x-1)(x的二次方+x+1). 观察下列各式:(x-1)(x+1)=x的二次方-1;(x-1)(x的二次方+x+1)=x的3次方-1;(x-1)(x的3次方+x的2次方+x+1)=x的4次方-1;根据前面格式的规律可得到(x-1 求下列函数关系式中自变量x的取值范围.1.y=5/x 2.y=x/√2-x 3.y=x+1/√x-1 4.y=1/x^2+1 求下列函数关系式中自变量x的取值范围.1.y=5/x 2.y=x/√2-x 3.y=x+1/√x-1 4.y=1/x^2+1 求下列函数的解析式:1) 设f(x)满足关系式f(x)+2f(1/x)=3x 2) 若3f(x)+f(-x)=2-x 观察下列等式3x的2次方-2x+1与-x的2次方+2x+1的差等于? 1已知函数y=f(x),由下列关系式确定:xy 观察下列算式:(x-1)(x+1)=x²-1;(x-1)(x²+x+1)=x³-1;.当x=2时,会得到怎幺的结论 观察下列方程:1/x=2/x+2;1/x=3/x+3;1/x=4/x+4;1/x=5/x+5寻找规律,然后写出第n个方程和它的解 已知实数x,y满足下列关系式y=x-1分之根号(x的平方-1)+根号(1-x的平方)-x+2,求x的y次方的值 观察下列式子的计算过程,(x+1)(x+2)=x的2次+3x+2 (x+2)(x+3)=x的2次+5x+6 从上述发现什么规律