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- 精华
- 0
- 积分
- 34
- 经验
- 34 点
- 威望
- 0 点
- 金钱
- 141 ￥
- 魅力
- 64
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new JJ 的疑惑
which of the following line can go through only one point whose (x,y) x,y are all intergrate number?
(A)y=2x (B)y=1/2(x)+5 (c) y=cube root(3)x
begin, how many arrangements starting with a vowel (a, e, i, o, u)? (48)
还是不大明白
还请多指教 |
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