sat数学题 twice as many A as During a visit by the census taker,one child in a family said,“I have twice as many brothers as sisters.”Another child in the family said,“I don’t.I have thesame number of brothers and sisters.” How manychild

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sat数学题 twice as many A as During a visit by the census taker,one child in a family said,“I have twice as many brothers as sisters.”Another child in the family said,“I don’t.I have thesame number of brothers and sisters.” How manychild
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sat数学题 twice as many A as During a visit by the census taker,one child in a family said,“I have twice as many brothers as sisters.”Another child in the family said,“I don’t.I have thesame number of brothers and sisters.” How manychild
sat数学题 twice as many A as
During a visit by the census taker,one child in a
family said,“I have twice as many brothers as sisters.”
Another child in the family said,“I don’t.I have the
same number of brothers and sisters.” How many
children are there in the family?
题目中有一句 “I have twice as many brothers as sisters.”我上网查了一下twice as many A as 之前的前辈都说 B是A的两倍.但是这道题最后的答案是 4 boys 和 3 girls,总共7个小孩,这样子的话,那句的意思就是brothers是sisters的两倍咯?
纠结了很久

sat数学题 twice as many A as During a visit by the census taker,one child in a family said,“I have twice as many brothers as sisters.”Another child in the family said,“I don’t.I have thesame number of brothers and sisters.” How manychild
应该是A是B的两倍,所以
第一个小孩是女孩,所以她看家里就是 4个男孩,2个女孩,所以brothers是sisters的两倍
第二个小孩是男孩,所以他看家里就是 3个男孩,3个女孩,所以,brothers 和sisters 一样多
看到类似的题,先逻辑分析一下,可以判断出第一个小孩是女孩,第二个小孩是男孩,接下来就容易了
假设男孩总数是X,女孩总数是Y
第一个女孩看到的是：x=2(y-1)
第二个男孩看到的是：(x-1)=y
然后解一下,x=4,y=3 这样就大功告成了!
SAT数学没有什么难题,对于中国人来说,读清楚题目,理解题目意思很重要.无论题目难易,都要仔细读题,不然会中招 :P

twice as many A as B
A是B的两倍，A=2B
和 A is twice as many as B 是一样的意思

就是A是B两倍的意思..

A系B地两倍

twice as many as /twice as many/ as many as twice/ twice more than的区别? sat数学题 twice as many A as During a visit by the census taker,one child in a family said,“I have twice as many brothers as sisters.”Another child in the family said,“I don’t.I have thesame number of brothers and sisters.” How manychild there are twice as many apple as there are twice as many apple as there are twice as many apple as There are twice as many A as B=A are twice as many as His books are ( )as my books.A.as twice many B.as many twice C.twice as many D.twice many as 英语数学题,好难!急 Sammy and Susie are siblings,Sammy has as many brothers as sisters,Susie has twice as many brothers as sisters.How many boys and how many girls are in the family? twice many; twice as manyTo our surprise,we got_____people to attend the meeting as we expected.A.as twice B.twice many C twice many as D.twice as many This TV set cost ____that one.A twice more as B as twice much asC twice as much as D twice as many as 翻译：There are twice as many giant pandas as before there are twice as many women as men.翻译 there are twice as many giant pandas as before.原文 there are twice as many sellers as buyers 怎么翻译 They have produced ____they did last year.A twice as much grain as B twice more grain asC twice as many grain asD as twice much grain as The new assembly line having been adopted,the factory produced ____ cars in 1999 as the year before.a.twice as many b.twice many as c.as many as twice d.as twice many John picked___oranges as Tom on the farm yesterday Aas twice many Bas many twice C twice as manytwice many as选哪个,为什么 求教选择题:The workers in this factory are ( ) as in that one.谢谢!A. as twice many B. as many twice C. twice as many D. twice many as