将
克糖放入水中,得到
克糖水,此时糖水的含糖量我们可以记为
.
(1)再往杯中加入
克糖,生活中的经验告诉我们糖水变甜了,用数学关系式可以表示为________;
A.
B.
C.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6146a9658690bf097f58fc70f23d2588.png)
(2)请证明你的选择.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73951e2e7a29f5144087089f49c6dff.png)
(1)再往杯中加入
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f07948e9258b482a2164ac871f90f9.png)
A.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58900a2822b9ff972d90440fced21584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53dde75c9895e9126b771f40f594c4c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6146a9658690bf097f58fc70f23d2588.png)
(2)请证明你的选择.
更新时间:2024-01-18 12:25:55
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解答题-计算题
|
适中
(0.65)
名校
【推荐1】已知,若
,
为非零实数,则
.
(1)观察下列各式并补充完整:
;
;
;
…
________(
为正整数).
________(
为正整数).
(2)计算:
;
(3)设
(
为正整数),求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713690ad3d7026009d9c2babd3529cc0.png)
(1)观察下列各式并补充完整:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d842b2e150d723c948234ee36f4b6b0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61dfa259a7cfab28fe63ff7d6211b1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7f4890678dc22224b4d23a8c38fbf11.png)
…
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5fef17df18395d337cb312285e0d8d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5324245f55dc0cc25899339d92d0425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7af3d6c4096f2366696f9cf9b4ce58.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1dfaeebb9bc67f7725142522da5188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ef266070a6e2b8281c2c0838fbc8ce.png)
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