- 没实数 a,b 満足 ab=6 ，|a+b| +|a-b|=6 ，则 a2+b2=( )
- 某影城统计了一季度的观众人数，如图，则一季度的男、女观众人数为（）。
- 函数 f(x)=2x+a/ π2(a ﹥0) ，在 (0 ，+ ∞)内最小值为 f(x 0)=12 ，则 x0=
- 某车间计划 10 天完成一项任务，工作 3 天后事故停工 2 天，若仍要按原计划完成任务，则工作效率要提高 ( ).
- Tom placed the bank notes ，_________the change and receipts ，back in the drawer ．
- I don ’t think you'll change his mind ；once he ’s decided on so something he tends to _____it.
- The team played hard because the championship of the state was______.
- In order to live the kind of life we want and to be the person we want to be ，we have to do more than just ________with events ．
- All her hard work __________in the end ，and she finally passed the exam ．
- The opportunity to explore and play and the encouragement to do so Can ________the performance of many children ．
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