Question

初二数学压轴题，求大神解答！

Answer 1

成立。

追问

化简从第一步到第二步是这么回事？

追答

第一步其实是带分数，你可能误解了

不好意思来迟了！

Answer 2

你好为您解答：

式子成立   

相同类型的式子：

规律：

满意请采纳

不满意请追问

追问

要给出证明

追答

希望能帮到您

追问

倒数第二步到倒数第一步看不明白，可以写的详细一点吗？

追答

可以采纳吗？急急急急急急急急急急

追问

看不清啊

追答

jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj

追问

看不清啊

Answer 3

成立
根号5 5/24=5根号5/24
根号n n/(n²-1)=n根号n/(n²-1)

Answer 4

拿第一个式子举例子

追答

3分之2的，3，是前面2的平方减1

后面的都是

前面的数就是分子，分母是他的平方减一

望采纳

Answer 5

规律，要不？

追答

我们都考过了

根号下n+ n十1分之1=n倍根号下n十1分之n

全是一,写错了

追问

过程呢，规律我知道，证明的过程不知道怎么写。

追答

哦

Answer 6

 

Answer 7