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[Issue Essay]

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题目:

Analytical!

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答案:

提问:

Paleontologist Stephen Jay Gould has argued that many biological traits are not the products of natural selection, favored due to their enhancement of reproduction or survival, but that they are simply random by-products of other evolutionary developments. (A) due to their enhancement of reproduction or survival, but that they are (B) due to the reproduction or survival they enhance, but they are (C) because they enhance reproduction or survival, but (D) because they enhance reproduction or survival, but are (E) because of enhancing reproduction or survival, but are

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阅读254962
解答: 王文静

提问:

PS:问49.987*9.879/0.253化简结果最接近哪一个? 选项a.b.c忘记了,d是1700,e是1800

解答:

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阅读247717
解答: sysadmin老师

提问:

数学书60页32题,有多少小于20的正整数等于3的正倍数与4的正倍数只和,答案说10个,我怎么查都是11个

解答:

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阅读247429
解答: sysadmin老师

提问:

PS:一个数是两位数,这个数大于11,个位数和十位数加起来的和是质数,问这样的 数有多少个?

解答:

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阅读247288
解答: sysadmin老师

提问:

57)If m is a positive odd integer between 2 and 30, then m is divisible by how many different positive prime numbers? 1)m is not divisible by 3. 2)m is not divisible by 5. 条件1 我理解的是 M 只能2到30之间,那么就有5,7,11,13,17,19,23,29,这么多个prime numbers. 条件2 我理解的是 M 可以是 3,7,9,11,13,17,19,21,23,27,29 这些,21可以被3和7除, 我判断条件1完全可以,条件2 我不太确定

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阅读247475
解答: sysadmin老师

提问:

62)if d is the positive integer and f is the product of the first 30 positive integers what is the value of d? (1) 10d is a factor of f. (2) d > 6 这个题目说d 是一个正整数,f 是30!阶乘,d的值多少, 这个题应该怎么推理?

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阅读247510
解答: sysadmin老师

提问:

DS:说一个整数N,最大不超过50,把从1到N的所有数拉出来列一起,数字里出现4的数字有几个? 条件1:这些数里出现0的个数是出现4的个数的数字少11; 条件2:说N这个数是某个prime number的平方

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阅读247042
解答: sysadmin老师

提问:

错选了D,麻烦老师分析一下这题的时态!

解答:

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阅读246823
解答: sysadmin老师

提问:

错选了最后一个,麻烦老师讲解一下!

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阅读246404
解答: sysadmin老师

提问:

老师麻烦讲解这道题 Making things even more difficult has been general market inactivity lately, if not paralysis, which has provided little in the way of pricing guidance. A has been general market inactivity lately, if not paralysis, which has provided B there is general market inactivity, if not paralysis, lately it has provided C general market inactivity, if not paralysis, has lately provided D lately, general market inactivity, if not paralysis, has provided E is that lately general market inactivity, if not paralysis, which provides

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阅读246330
解答: sysadmin老师

提问:

讲解~

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阅读246335
解答: sysadmin老师

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