15. PS: 1. if K is common multiple of75, 98 ,140, which of the following must be true?
Ⅰ. K is a multiple of 9
Ⅱ. K is a multiple of 49
Ⅲ. K is greater than 14000
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[确认]2
为何不是2和3?
82.right 三角形, 顶点在Y轴,(0.3),和X一个交点是(4,0),问另一个。
答案:3:4=B:3 b=9/4
old JJ
如何求得?
73.DS. 3^(4n+2)次方+m 除以10,余数是多少?
A. 给出4n+2的数值(忘了是多少)
B. M = 1
ans. E
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[确认]B
如何求得?
74.五个字母 D I G I T ,可以组成一个string,如 DIGIT.两个II不相临,可以组成多少string?
36
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[确认]P5-P3*2=108
我觉得是36
P55/2-P44,请教![em09]作者: tongxun 时间: 2003-1-10 21:03