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    97ɫһɫС˵ÿ˶õ򲻿ɿܵõ࿴֮ۡ佻ҪͣȥĥΪÿ˶Ƕĸÿһ鶼ԼĿϲĶ͸Ȥ鶼ͬ3.˵

    ѧϰҵϿʱشⲻԸ˼ȱɵЩϰѧѧϰĴСϰߵγһڵĹһҲѧϰȤءȤŨѧѧͻѧϰͶѧϰɼȻ͸ߣȤߵѧƻѧõѧѧ֮Խǿ־ųɼҲԽԽ½97ɫһɫС˵һԹٷɳ۵ĻûԭӼʱʱһСʱվڲͬĹ۲ϵ濴ʲôͬ2֤һֵ1b/a=x1áx-1/xlnx2(x-1)/(x+1)2ûԭ֤֮3֤͹1͹y=1/xx0ͼAB㣨2A(a1/a)B(b1/b)ba0[(a+b)/22/(a+b)]ߡ(a+b)/2(a-b)/(lna-lnb)3A(a1/a)B(b1/b)ba0ұ(a-b)/(lna-lnb)(ab)4Ӧã1y=klnx-xk0y=k/x-1x=kΪ㣩2֪y=cy=klnx-xA(ac)B(bc)㣨ba03֤(a+b)2kabk^2.4֤c=klna-a=klnb-bk=(a-b)/(lna-lnb)ɶƽʽ֤

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    97ɫһɫС˵ʷԿطľ书Ҫȭ͹ԿطһȭΪ̫泤ȭ̫ȭʮƳȭ̫ȭԼȭȭȭڴȭȵ̫ȭСȭ֮ĸ֮ơڶʹĸҷӦʾԿط˵һԿطһ𣿿ºܶ˶׽ԼİΣעɣһЩڶʹǶ񵨰ɱأɴ˿ɼԿطӵй˵ĵ׾˽ڶʹDzûԭǵûʵ۵ĵһˡԿط˵DzɱҾ͵ǶʵΪӶΪʱҾͲô׵ķŹˣ