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㾦֪ͼʽĹؼܹͨɶ̣СڣӶõ. 10.躯
A. 1 𰸡A
ͨɷֻжԳắʽIJͬڶԳIJͬͨͼֻ֪豣֤㴦ĺֵڵ㼴ɣӶʽֵ. ⡿ã֪
ԳΪ
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C. 2
D.
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㾦κͼۺӦ⣬ؼܹ֪תΪĺֵŵ⣬ѧͼӦúת˼Ҫϸ. ⣨7С⣬36.0֣
11.֪ȫU={1234567}A={123}B={234}AB=______?UA=______
𰸡 (1). {23} (2). {4567}
ݽ벹Ķ壬дAB?UAɣ ⡿ȫU={1234567} A={123}
B={234}
AB={23} ?UA={4567}
ʴΪ{23}{4567}
㾦˽ͲĶӦ⣬ǻĿ 12.֪
𰸡 (1). 1 (2).
Ӧʽù. ⡿
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µõĽʽõᣬ2
______
______
㾦÷ֶκʽ⺯ֵúֵ⣬ڻ. 13.֪ǵĶԭOغϣʼxķǸغϣձ߹______
______
𰸡 (1). (2).
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⡿Ǻ֪
㾦ǺĶ塢յʽӦãڻ.
14.ʵң=_________ =__________
𰸡 (1). (2).
ȸݵϵ̵ⷽá⡿
ٸָʽʽϵֵ.
Ϊ
㾦㷨. 15.֪εԲĽΪ
仡Ϊεİ뾶Ϊ______Ϊ______
𰸡 (1). 3 (2).
ݻʽð뾶ʽ. ⡿֪ԲĽΪ
㾦εĻʽֻҪǹʽ⣬ڻ. 16.֪𰸡 ɽʽ֪
ʱݼ豣֤
ʱҲǵݼͬʱ
RǵʵaȡֵΧ______
ĺֵҪڣɴ˹첻ʽ÷Χ. ⡿
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㾦÷ֶκĵΧĹؼDZ֤ÿһ϶ϵԣͬʱ֤ٽֵϵҪ. 17.֪______ 𰸡
㶨ͺԣɽתΪ
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㾦ݺΧ⣬ͨںͼͨƽֱߵĽõĵϵ. ⣨5С⣬74.0֣ 18.֪ȫϡ𰸡
ϣݼɣ
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ʵaȡֵΧ
ݽʽ֪
ʱʱ
Ӽɹʽý.