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ʽ  ʦ ѧ ͼ ѧ һ ʦ߽ʾѧ۲ ѧС鶯 ġչʾƷ 塢ҵ 1ʾ̾ 2ѧԱѧ 1 Ǧʼֽһ˵ иһСס 2 Ƥһ˴С ס 3 С׵Ƥ-----˵Լһᡣ 뷨 4 иǸǽķѡ ֡֡ˮ ѧ۲ ʦѲ ָ СƷ ѡһϺõչʾ ȫͬѧ ѧü¼ κԼһֽһᷢ ˽ⷽ ۲֪ʶ ¼֪ʶ ʵ 5

ֽ ѧ ˼ һ Ԫ ѧ ۲ ʱ 1 1 ճƷһЩ ѧϰĿ 2 ѧ˽򵥵һһЩʶ 3 иȤ ѧص ճƷһЩ ѧѵ ѧ׼ иȤ ʦ ѧԱ һ ʱ ѧ ʽ  ͼ ʦ ѧ 6

һ  ⵼ 1 죬Ҫһоһ ӡӴÿ 춼ڽӴ˽⾵ô ----˼ش 2 ܰǴԼ ڲͬл ô ---㱨Լ ʾ̾ߡ ֡ ѧԱ 1ʦʾ߽⡣ 2 λͬѧһ澵Ӷ ----˵Լ,ʹɡZ,ʱǵ뷨 ѧϰᷢʲô 3۲졢˼ۡ Զǽ϶ֺԼ õľ״һĹ⾰ 4 ͬѧһ顣 ,˭úá 5ĸͬѧһ ѧۻش й۲Ƿͬ ûа취ʹ겻 ĵҲܼ? 1 þӷ ġ ˼ϷҪÿ໥ ܳɹ 2 ѡþҪ֧ 塢 С Ӳ׻ζ ----˼ش 7

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ҵ Ϸ ѧʾ ѧ˼ һ Ԫ Ŀ ѧ ѧϰĿ ѧص ۲ ʱ 1 1 ѧѧֽš 2ѧĶֲ ѧĶֲ 8