Ҷ£𣿴֪ҽԹΪģ硣ֲͣͻ xu xio ԹعȻɼ˻ǡԱΪԹ
ĻĵĶ룬ԼΪһ Ͳ˹ҵ棬治ӦáǣսۣϾǰæسӭӡӴԺDZ˺ѣͬЭԹ
1ﲻȷƴȥ4֣
2Ҷ£𣿡仰дɳ䡣3֣
Ҷ£Ȼˡ
3ддķʡ2֣
ǿ 䵭
4лߵľһǸ 3֣ 5д䡣4֣ɣ
͡ ͬЭ 6УԿһʶ壬˴֣ػ㣬ԹΪصˣһ֪ܸģԹΪصˡ4֣
ģ
¼ 20֣
¼һӵ̽ͷ
¼ˣġ¼ֻЦҡͷĬĬɢ
㡣
ҲˣһɫĻһֻֻȡһô˳
ʣһֱʵеԼˣ¿ݶôС
ЦŻǣǶҵ档
ݶĽؿŸƵ˵˲𡣡Ω¼һ 졣
Խӵ⣬߰ض¼˵ιѣôһ ĻûУҲɶƸ𣿡
¼˵ҳ䰫ǿԼĸڵϡƾ˴ĸߣҫ Լûɶϡ档
һû¼
һ죬ľѡôɳɳɳˣһµ䵽档 ЩΪĻݶֶЦ
¼ȴο˵ѣӦѧصͷ
3
Ӷҳһʡһ鷴д4֣
Ц Ц ߣ 4
ա 8֣
1¼ʱ¼ֻЦҡͷĬĬɢŷ㡣 2ʱdz⣻߰ض¼˵ι
ѣôһĻûУҲɶƸ𣿡 3ݶЦ¼ο 3ѡ⣬ȷ𰸵4֣
¼ǣ A ˣ¼ǣ B ˡ A Bˣܶ
C D
4 áΪĶ дεĶ⡣2֣ ʸߺdz⡣
5ҳĵľ䣬á 2֣
塢ϰ30֣ԡ