ѡ
1𰸡AC
ڻƺ϶ʲֵü۾ɷ۾ɵȶ˻ϢԵҪ
2𰸡ABCD
ȨԴͶʱֱӼ(ͨѧУṩ)ȨúʧȡֱӼȨúʧָӦ뵱桢ᵼȨ淢䶯ġͶʱ߷صûʧ
3𰸡ACD
ʲʲʲ
4𰸡BD
ᷢծȯϢͬʱծӺ٣ӯͬʱʲӡ
5𰸡AB
ҪеġáָҵĸֺķѣһӪҵɱڼá
6𰸡ACD
Ӫҵ=Ӫҵ롪ӪҵɱӪҵ˰ӡ۷áááʲֵʧ+ʼֵ䶯棨ʧΪ-ţ+Ͷ棨ʧΪ-ţ
7𰸡ABD
ʵʽԭҪҵӦսľʵʽлƺ㣬ӦǵķʽΪƺݡ
8𰸡BCD
ֽȨ١
9𰸡ABC
ݡҵ30-бʲծֽȨ棨ɶȨ棩䶯עΪȨ䶯ɲ֣Ҫ
10𰸡ABD
ڿǻҪȷʱҪĿйصľܹɿؼ,ζŲҪлƹơҵԴҵԴз֧ԼΪʲȷϡCѡ
11𰸡ABCD
ָƹΪضλ֯ΪճĻƴṩݡ岻ͬڷ塣һȻһ壬岻һǷ塣
12𰸡ABC
ʲԴͬʱʱȷΪʲԴйصľܿҵԴijɱֵܹɿؼ
ijһĿܷΪʲծ롢õȻҪؼʲծҪҪصĶ⣬ӦȷĿйصľܿҵĿйصľܹɿؼ
13𰸡ACD
ĸ1ճв2Ϊʲӻծļ٣֮3Ȩӣ4ֻҵ룬ΪͻյĿ
14𰸡ABC
Ͷʲõĺģʽֵģʽ
15𰸡BCD
BCDѡҵ·λƱĻƺ㷽ıһԭҪġ
ж
1𰸡×
ʲʲȷĿӦʲծʲ塢ʲȷĿӦʲծ
2𰸡×
Ȼ̶ʲûȨӵȨӦΪ̶ʲ㡣
3𰸡×
ҵṩĻϢӦпɱԡͬһҵͬʱ(ͨѧУṩ)ͬƵĽӦһµĻߣȷģӦڸע˵
ͬҵͬƵĽӦù涨ĻߣȷϢھһ¡ɱȡϢĿɱҪɱȺ͵ɱ档
4𰸡×
ͬһҵͬʱڷͬƵĽӦһµĻߣȷģӦڸע˵
5𰸡×Ū
ҵڶԻҪؽмʱһӦʷɱóɱɱ־ֵֵʼֵģӦ֤ȷĻҪؽܹȡòɿ
6.𰸡×
ҵȨı䶯˾Ӫصµ䶯⣬зǾӪصµʵʱʱ䶯
7.𰸡×
ȡͷáֱӼ뵱úʧļ
8.𰸡×
ڳ⣬һͶʣʹʵʱӣʹҵھʲҵڵĿ
9.𰸡×
Ʊע
10𰸡×
ڲƱ˰ȲƱ棬Ӧȡ¶ȲƱ档