One hundred boys went on a school outing. Eighty-one percent of the boys lost a

游客2023-10-19 28

问题 One hundred boys went on a school outing. Eighty-one percent of the boys lost a shoe, 82 percent of the boys lost a sock, 77 percent of the boys lost a handkerchief and 68 percent of the boys lost a hat.
What is the minimum percentage who lost all 4 items?

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答案 0.08

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One hundred boys went on a school outing. Eighty-one percent of the boys lost a

(1)RemembertheStoneAgedaysofresearchbackinelementaryschoolandmid

(1)RemembertheStoneAgedaysofresearchbackinelementaryschoolandmid

Morethan85percentofFrenchCanada’spopulationspeaksFrenchasamotherton

Morethanfivethousandsecondaryschoolstudentshavebeen________forcheating.

Ourschoollibraryis________closedforrepairs.A、shortlyB、quicklyC、temporaril

Theschoolisgoingthe________miletocreatethenextgenerationofsportingst

[originaltext]HighSchoolDancingParty

TheschoolboardlistenedquietlyasJohnreadthedemandsthathisfollowers___

ThelatePresidentoftheschoolgraduatedfromafamousuniversity.Theunderli

(1)Theschoolmasterwasleavingthevillage,andeverybodyseemedsorry.Th

FreshwatersuppliesinAsiaandsouthAmericaisdisappearingastheglaciersm

[originaltext]W:Exercise,exercise,exercise.Wehearsomuchaboutitthesed

患者，女性，26岁，GPAL，末次人流为6个月前，人流后一直无月经来潮，自测基础

()产生的内部根源，直接说来在于医务人员的社会性；最终说来在于它攸关自己

气厥实证常用治疗方药为A.导痰汤 B.四味回阳饮 C.通关散 D.羚角钩藤

患者，男，74岁。转移性右下腹痛2天，高热1天。查体：体温39℃，腹部肌紧张呈板

气体绝缘金属封闭开关设备在安全措施可靠的条件下，可在设备带电状况下进行SF6气体

A. B. C. D.

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釉质龋最早出现的病理变化是A.不透明 B.混浊 C.色素沉着 D.崩裂