1) TU是个两位数(T是十位数,U是个位数).TU IS TWICE THE PRODUCT OF THESE DIGITS ,U=?
2)EVERY INTERNAL ANGLE IN A POLYGON IS LESS THAN 180. HOW MUCH IS THE AVERAGE INTERNAL ANGLE FOR A POLYGON
1. THERE ARE TWO RIGHT INTERNAL ANGLE
2. THERE ARE FIVE VERTICE
答案是B,请问第2个条件什么意思?作者: jxtju 时间: 2003-4-8 15:30
t=10/(2u-1) t is integer u=3
a have five angles作者: oddyuibe 时间: 2003-4-9 00:07
to jxtju,
I think the euation should be: U=10T/(2T-1)====>U=6 (U is integer and less than 10)
Is that the word "Vertice"? eh....I don't know作者: likerock 时间: 2003-4-9 04:52
Yes, confirm, agree with oddyuibe, U=6.
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