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标题: GWD Math24 Q9 Q12 Q16 Q26求助「顺求该套题答案分享」 [打印本页]

作者: seponey11 时间: 2015-10-23 15:23
标题: GWD Math24 Q9 Q12 Q16 Q26求助「顺求该套题答案分享」

Q9 The operation*represents either addition, subtraction, or multiplication of integers, what isthe value of 1*0?

(1) 0*2=2

(2) 2*0=2

答案是A

疑问：（2）不是也可以直接推出1*0的value=1吗？

顺求好心人分享该套题的正确答案...我在CD上下载的答案好像不太靠谱 T T 错了4题，网上搜索也没有个标准答案我的答案是： AACED CDEDC CECAE CECDB DEDCA BAEDD ABBEC DE
网上下的一套答案：AACED,CDEAC,CACAE,AECDB,DEDCA,EAEDD,ABBEC,DE

另外存疑的三道题如下［如果有好心人愿意帮忙看一下的话...］：
Q12

During a 10-week summervacation, was the average (arithmetic mean) number of books that Carolyn readper week greater than the average number of books that Jacob read per week?

(1) Twice the average number of books thatCarolyn read per week was greater than 5 less than twice the average number ofbooks that Jacob read per week.

(2) During the last 5 weeks of the vacation,Carolyn read a total of 3 books more than Jacob.

我的答案：E
正解（存疑）：A

Q16

From May 1 to May30 in the same year, the balance in a checking account increased. What was thebalance in the checking account on May 30?

(1) If, during this period of time, theincrease in the balance in the checking account had been 12 percent, then thebalance in the account on May 30 would have been $504

(2) During this period of time, the increase inthe balance in the checking account was 8 percent.

我的答案：C
正解（存疑）：A

Q26

Does the decimalequivalent of P/Q, where P and Q are positive integers, contain only a finitenumber of nonzero digits?

(1) P>Q

(2) Q=8

file://localhost/Users/seponey/Library/Caches/TemporaryItems/msoclip/0/clip_image001.gif

我的答案：B
正解（存疑）：E

作者: jordanxu77 时间: 2015-10-23 15:35
应该是D

作者: SueNN 时间: 2015-10-23 15:37
我觉得你是对的这道题问的是能否求出1*0 而不是确定*唯一代表的运算只要能1*0结果是唯一的就行了所以我觉得应该是D 可能是题目有漏洞吧。。。

作者: seponey11 时间: 2015-10-23 16:07

SueNN 发表于 2015-10-23 15:37
我觉得你是对的这道题问的是能否求出1*0 而不是确定*唯一代表的运算只要能1*0结果是唯一的就行了所以我 ...

恩恩谢谢！我还有三道比较疑惑的题目，已经更新在帖子中了~如果有空的话能麻烦也帮我看一下嘛！谢谢！

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