Tom had 6 books. He gave 2 to his sister and then purchased 3 more books at the

游客2024-01-12 25

问题 Tom had 6 books. He gave 2 to his sister and then purchased 3 more books at the bookstore. Which of the following mathematical expressions is equivalent to the number of books that Tom now has?
______6-2+3
______6+2-3
______6(2+3)
______6(2-3)

选项

答案 You are given that Tom started out with 6 books. After he gave 2 books to his sister he was left with (6-2) books. He then purchased 3 more books, so he now has (6-2+3) books.

解析

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Tom had 6 books. He gave 2 to his sister and then purchased 3 more books at the

由于我离开得匆忙，忘记带课本了。SinceIleftinahurry,Iforgottotakemytextbooks.

Henrywavedtohissister,______wasjustgettingoffabus.A、whoB、thatC、which

"Whatmakeshersounhappy?""______oneofherfavoritebooks."A、Becauseshelos

"CanyourbrotherandsisterunderstandtheEnglishteacher?""No,_______ofthe

SisterWendyonlyeatsplainfood______shedoesn’tdrinkalcohol.A、andB、butC、

Shealwaysfeltinferior______heroldersister.A、withB、fromC、toD、onC本题测试固定

Jamesdoesn’tlikepopmusic______doeshissister.A、soB、AlsoC、EitherD、Neith

Ican’ttellthe______differencebetweenthetwinsisters.A、slightB、simpleC、sl

Patriciapurchasedxmetersoffencing.Sheoriginallyintendedtouseallofth

Amerchantpurchasedajacketfor＄60andthendeterminedasellingpricethate

【B1】[br]【B9】Since→Although或While从逻辑上讲，此处应表达让步关系，而非原因。

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