1.If Jim and Bill have less than 15 dollars between them,and

1.If Jim and Bill have less than 15 dollars between them,and Bill has 4 dollars,which of the following could be the number of dollars that Jim has?
A) 10 B) 11 C) 15
increased by r times 是指 nx(r+1)呢 还是指 nxr呢
1.A 2.E 4.D 5.C
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zhengcc33 1年前 已收到1个回答 举报

TinzinLhamo 果实

共回答了28个问题采纳率:92.9% 举报

1.If Jim and Bill have less than 15 dollars between them意思是两人共有的钱少于15元,B有4元,所以J有少于11元 选A
2.numerical value数值的意思 我也觉得选E (如果你输入没错的话) 选D
3.我同意你老师的观点.从闪的第一次开始计时,A一分钟里闪5次,其实有4个间隔,B同理有3个间隔 “blinks regularly ? times a minute”这里计算的话应该是以闪了第一次才开始计时的 选D 老师对
4.increased by r times 是指 nx(r+1)吧,应该是在n的基础上增长的
答案易知是D

1年前

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