求高招,看不懂
作者:韩永琪
发布时间:2014-02-15 08:27:02
我想说,为什么现在的题目没事把英语和数学结合了
If the product of all digits of a six-digit number is 1296,among such six-digit numbers,the smallest is .
1.If 2005-200.5=x-20.05,then x equals to ( )
A.1814.55 B.1824.55 C.1774.45 D.1784.45
2.As in the figure,find the point C on the line l,so that PC=3CQ. Then the point C should be ( )
A. between P and Q B. on the left of P
C. on the right of Q D. between P and Q, or on the right of Q
3.If a and b are integers. Let a□b=2a-3b+ab,and a★b=a+b-ab,
then [2□(-3)] ★[3□(-2)]=___________;
外加一个中文的,难啊:
已知a、b、c均不为0,且满足
求证:
0
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