2006ɿѧѵʮ
ѵ40 ̽
߿е̽Ҫѧ̽;Ǵͳ걸߸ѧص㣬ѧ֪ʶлϲµ龳ɵģҪԼ۲졢Եѧ֪ʶͷ.
ѵų
1.֪abcÿ֮ļнΪ120㣬a=3,
b=2,c=1abcʾΪ .
2.ÿһܷɻڷйΪ1CpҸǷйǶģ50%УɻͿɳɹУڶpԣ4ɻ2ɻΪȫ
̽
1֪ (a,cR,a0,bȻ溯f(x)ֵ f(1) .
1f(x)Ľʽ
2Ƿֱly=f(x)ͼPQ㣬ʹPQڵ㣨10Գƣڣֱlķ̣ڣ˵.
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