作者sakuratea (樱花茶)
看板GRE_Verbal
标题[计量] If S is a set of all 2-digit integers that consist of...
时间Mon Mar 16 13:10:54 2009
1.
If S is a set of all 2-digit integers that consist of multiples of 3
or multiples of 5, then what is the value of the range in set S ??
A)77
B)81
C)87
D)89
E)91
ANS:D
他问的是啥意思??
是求范围吗??
2.
If three line segments AB, CD, and EF intersect each other at point O,
then how many sets of "vertical angles" are there?
A)2
B)4
C)5
D)6
E)8
ANS: D
这题有图...
它是三条线相交於一点...
可我怎麽算...也只有2个直角...
请问我是哪里弄错了??????
请热心的版友解答疑惑>"<
感激不尽...
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1F：推 lcw0622 :1.99-10=89 99是3的倍数,10是5的倍数 分别是范围的最 03/16 14:47
2F：→ lcw0622 :大最小值 03/16 14:47
3F：推 chiehwj :2. vertical angles:对顶角 有六组 03/16 17:46