- ʥúܾ,Щֱ˵Ŀȥ.
1.", Ըرָһ, ൱㹤̵, νƵ, ر. ...... ȴﵽ, Ŀʵչ, IJÿ. P, ṩsolution, ʵµ"
abcѧ,˷Ӧѹ. Ӧ˵ҵ˼ά۵Ӱ.
˼άʵлǺҪ. ԭӵ,һ,۶,й类Nöԭӵ.
ϴҶͳĻشҲӳ˼ά,ۻǸ۲Ҫ,Ҫܰն. ֱ(ûʲôܵ)ΪСʲǰȫ,Ļش.
ֱ糴Ʊ,ǮĿ. ҶԹƱ۵̽,ʵҲѰһǮsolution.
2."(رĹƵ)עؽ, ѽǰᵱȻȻ." -----ûʲô,ͻȥ.
3. ", :X + Y = Zʱ, ܶĿƵ˿ʼʧȥ. ɼ, ԭ, ܲܳ˼ά. ĿƺƵ, ڳ."
رǵһͼʽʱ,ĿƵ˻û.
統Ұ˵ͼʽ""ʱ,ܶ˾Dz,ǹִΪ""Ǽľ.
˵,ͨʱһָ,Է˵ΪЧ.
ĿǰҪȻѧѧ. ѧоԵ. оԾҪо˵. γ˵رҪ.