1 . 如图,函数
的图象过矩形OABC的顶点B,且OA=4.若在矩形OABC内随机地撒100粒豆子,落在图中阴影部分的豆子有67粒,则据此可以估算出图中阴影部分的面积约为
![](https://img.xkw.com/dksih/QBM/2016/3/8/1572526298669056/1572526304436224/STEM/6be0cda4573f4b82ac9c4181e8a5a9fa.png)
![](https://img.xkw.com/dksih/QBM/2016/3/8/1572526298669056/1572526304436224/STEM/aa1941e7ee3849b6bdf77f572f179fe5.png)
![](https://img.xkw.com/dksih/QBM/2016/3/8/1572526298669056/1572526304436224/STEM/6be0cda4573f4b82ac9c4181e8a5a9fa.png)
A.2.64 | B.2.68 | C.5.36 | D.6.64 |
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2 . 设
,已知
,
(
),猜想
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45c89d1cb5a4f758539bdda2e31fa94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82aaa9df3f220de988a40199e821d3be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40373bd08b31b51ecdb2944e779fb428.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40ba6916865c22cdde2221d9bef9da6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-03更新
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419次组卷
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6卷引用:2015-2016学年福建上杭一中高一下期末模拟二数学试卷