Ϸ:
ϲ齫ʹ齫ȫӡӡӣϡ磬Сף136ƣÿ˰17
Ϸ:
Ϸʹӡ
淨
Ͼ
ƺׯӣȡӵ֮͡ƶ濪ʼ㣬֮һµһ齫ΪΪ+1ƶϾϾԵʹá
¾
ϾϾͬһǸ齫¾Ҳ,齫Ϊ+1Ϊ;
ף
ںƻֺϾͬһǸ齫齫Ϊ+1Ϊ
ͬһ裺
ںƻֺϾͬһǸ齫ƣһµƶϾ緭3Ͳ333ͲϾϾ+1ΪǷƣеķƶϾ緭磬硢Ϸ硢硢綼ϾϾ+1ΪǼƣеļƶϾ緭ǰװ壬Сơװ嶼ϾϾ+1Ϊ
վ:
ĸϵó㣬㡣
¹:
ûκ淨
¥:
ׯׯӦּӱׯׯ1¥Ϊ1ׯ5¥Ϊ5
¥ݷΪ¡¡£һׯҲׯһε0㣬һׯҲׯֻ1㡣£ׯ4Σһҵׯǰ¥Ϊ1£ףׯ4Σһҵׯǰ¥Ϊ3
㷨Ϊֻͼܷ
:
ںƺֺʹ,һ2֣һ1(ϵ+ܵ++)÷ּӦľϾߣ³ܵ˳ˣصһϾֶɱܵȫ(ֻϾû)ܾ10ּ֣ܾڸܷ
أ
һһ־ֳ5ʱΪأط
طΪ5ʱ5x2=10Ϊ6ʱ6x3=18Ϊ7ʱ7x4=28;
:
ֻһӵijһ־ʱǸΪx2
ׯ:
ׯмҺׯҵ¼ׯׯҺׯҼׯ
ׯ˭˭ׯ
:
һׯȡĺʹׯҿʼʱ뿪ʼһµΪƷǸڶӡȡ֮һӺӲټ1ӿƷһװ˳ʱ뿪ʼһµһׯҿʼץƣׯץ14ţмץ13š
ƺǽơ
淨:
ԳܡʱϾܵʹá
ƣ2˸2˸ܾ10()
ƣ
1. ƽĸӻܻ˳ һɵĺơ
2. С߶ԣ7ɵĺơ
3. ߶ԣ4Ӽһɵĺ(ƽ)
4. ʮãÿƼڵ2Ʋظɵĺơ
5. ʮãʮõĻϣ(зףʱϾʹƵãֻʮ)ɵĺ(ʮ)
6. ¹ûϾϾûеãɵĺơ
7. е£ں¹ĻϣûϾɵĺ(Ƶ¹)
8. ϾʹãκһƶɺƣʱΪע:ֻҪ㾫ֻץںͣ
9. ϿҸʱƺԼϵϳɺΣֺƷʽΪܿ
10. : ܵƣԼϵϳɺΣֺƷʽΪܡ
11. : ׯֺ (ƽС߶ԣ߶ԣʮãʮ)
12. غׯҵһƷڸмҡ (ƽС߶ԣ߶ԣʮãʮ)
13. ȫˣܵʣһƵĺơ
:
ֲ֣ͺһ
ֵļ:
ƽ1֣ʮ2֣С߶2֣߶2֣¹е£߶4֣¹(е)С߶4֣ʮ4֡
x2x2Ͽx2¹x2еx4 x2x2ȫx2
¹+5˳ҳе+5˳ҳ+5
غ̶20(ǰļ),x2
:
е ߶ ׯׯҺ
ҪǮΪ:
4(¹С߶)x2()x4(е)x2(ׯ)+5(е)=69