(1/2)ҳ
뿼֮Ŀλ˵
ĿƺƵĿ
˵õһϢ
ĿѧԾѧԾDzһġ
ǰҶĿĿǰҶ
ãҪû취
žĿԡ
¼ʦҲλһλĿԾһλԾ˿ļɺעǿʼַԾ
ľӻûԸоպ͵һ첻һˡ
ǿθˣˡ
ѹĿԡ
ӿӢˣ쿼Ծɸ߿ˡ
Ҳ֪ôϸķõģΪ췢ʲô顣
õԾûʼʦ˵
עԼԾĿƵıóƵģôԾϽֵ
ԿһԼԾϣдĿû
ûзԾ
ֻĿѶЩû뵽
ȻȫdzѶȵ⡣
ֻһ⣬һЩ
Ŀǣ
֪κ y=x- 6x+5.
ͼĽͶԳ᷽;
ͼ;κĽԳṫʽ㷨ͼ
ֱͼxᡢyĽ꣬
ǶκͼǸͼۺ⡣
˲ͳ˶ӦĽ
һСֻҪݶκĽ깫ʽͶԳṫʽֱɡ
ڶСб㡢ߵIJ軭ͼɡ
СX=0ӦYֵд뺯ͼYĽ㣬Y=0ӦXֵдΪͼXĽ㡣
ĿܹΪľǿѧնκĽԶԳṫʽ㷨ͼͼĽꡣ
ϱDzµ
ΪѶȲ̫ߣDzû̫⡣
ʱⲻ⡣
Ȼְǰĸ⿴һ顣
ɷѶߵġ
ǡĿڵѧֻˮĶ
ĿDzҲ̫ɶˣ
뵽ѧ⡣
ãһԱߵѧԾ
Ծ÷һ£ȻǴѧѧݡ
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