2019ɽлԻѧУƸʦϰ
(2)⼰𰸽
1еξǽܷɵƲá ж
𰸡
ָΥ˷ԼʹȨȨģΪ˳еIJʶԣɹϵԷΪϵĹϵͷϵĵϵӦηʽҲԷΪԷʽƲԷʽܷƲֻdzеεķʽ֮һʱжϴ
2ɷ涨趨ɣӦ涨ɵģ ѡ Aʵʩ B C D 𰸡A,B,C,D
ɷ18涨趨ɣ
Ӧ涨ɵʵʩءޡʱѡABCD
3ʮ0.65625DֵĶǣ ѡ A0.10101B B0.11011B C0.111111B D0.10111B 𰸡A ԡ
4ʱڳ˴ġϺͼоĻ滭ƷҪԭǣ ѡ
Aĩ֮ףʱķ. Bν˳ķѸݾ棬νΪ CƷýһչ֮Ӧijʢ
Dܱ߸ڻ뽻һǿ 𰸡C
һĻһξ״ķӳ֮ԳִоƷؼǵʱƷ÷չͳеʢⷽ淴ӳڻ滭Ͼǡ
ϺͼоķȷѡΪC
5ҹһ͵ܷǣ ѡ A1978ܷ B1982ܷ
C1949꡶ͬ졷 D1954ܷ 𰸡D
1954ܷҹһ͵ܷʱѡD
6ְصУ ѡ
Aٶҵ۹ Bữ Cҵͬ D㷺ʹ÷ֶ 𰸡A,B,C,D
ָڹģְܡȨΪʽܵɺϸƺЧԼABCDְص㡣ʱѡABCD 7ҵλƸĸ˵ȷ
ѡ
AҵλĸĻתְ BҵλĸҪ Cҵλĸķǹ滯
DҵλĸォҵλΪ࣬;Ӫ 𰸡C
2012꣬Ժ䲼ġڷƽҵλĸָָҵλĸҪָ֡ҵƽֲּ֯ʵʩĹ룬A˵ҵλĸҪǡ·ֿֿܰ롱B˵ҵλĸĿǵ2020꣬ȷơиЧĹƺлƣγɻȡˮƽʶȡֽṹƽйɫϵɼҵλĸķǹ滯C˵ȷ淶ϣṦܽҵλΪеְܡӪʹ¹D˵ʱѡC
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