用加减消元法求解下列方程组_刷题宝

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用加减消元法求解下列方程组

上一题下一题 0.0难度选择题更新时间:2012-07-06 08:36:38

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同类题1

补全表格中所缺信息。

Ways to spend holidays
Families	Places to go	Things to do
Mario's	France	They____to many places there．
Jack's	____	They went to ____there．
David's	Shanghai	They visited ____there．
Tom's	The mountains	Tom asked his children to see them and ____on them．

同类题2

在 -1，0，-2， $\frac{1}{2}$ 这四个数中，最小的数是（）

同类题3

He went to the post office to buy writing paper and ____ (信封).

同类题4

若ax²＋bx＋c＜0的解集为{x|x＜－2，或x＞4}，则对于函数f(x)＝ax²＋bx＋c应有( )

同类题5

最多能做几根这样的跳绳?

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