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 ˹Ĵʥ˵ЩôأڰϿʥĻǳң˵Ǽֶ硣ִߵۣرʹߡ4
 ĴʥʱɷҹΣ˵Ƕħ˰ݹ͵ж3
˵ʱֻҪбԶһб㲻ˡ2
 ˹Ĵʥڰ΢бһ£ѲŤ󡣣
0 ʥ԰˹˵СӣʱмбӣΪбһֻҪбӲɣôڸбӣбӰ
һ ĴʥŰľĴݣǴøɫĻɵģʥ˵Щɫסˣǰ͸ľɣɫ¸ó3
 ˵˭ڰڴHô˯ȥɣ˯ѵʱݡΪ˯ݣʹˡģɶԼˡ5

̵ɨʯ밵ʾ

 ˹Ĵʥ˵ݾǺ̸˭ݣ˭ͲҪǰߺұ¶ֻ߽¡5 
 յĴʥֹһݡ5
Ĵʥ˵ڰУҪɨʯӣΪʯӶ½3
 ľյĶȶĴҸʥݣǵףʱְʾԸǣʥ˵ôأָʾβƵġ˵ףʱбһǵѣָʾ3

ͬŰںõķʳͽС

 Ĵʥ˵ںöݹʱӦȳ磬ҪȳԷ񣬳Ҫȡʳڳʱݲɡֿǰϵĳۻ࣬Ҳɡ3
 ˹Ĵʰϣз˵ʥ˵˭һжĶ˭ɽӽǣҲɺһݡ£

ģɢͷ·ϵ

 ɶĴʥĶӺɣˣһκɣվݣ̽Ժ󣬰ȥ⿪ˣɣŭؿһۣ˵İݰɣ㬲֣Ϊʥ˵аħķ2
 յĴʥֹ·ϵأֹ졣ʥ˵׼ʹ´ڵϵ˵İݹ2
0 Ĵʥ˵˭ڰÿסأ㲻˭԰ֹ˭

壩Ƿָ

һ յĴʥ˵ڴǷаħΪ˭Ƿ͵
һ˵Ƿаħģ˭Ƿ˭͵ȥΪһ˵ǡʱаħЦ
Ķ ŷ־յĶӿ˰Ĵʥ˵˭СĺȫȻ򯾴ȥݵϣָָ˭İݹЧá2
 ķ÷ĴʥҼҵһӶˣӶаߵͷʱʥ˵ιϰɡ
