化简：根号18减根号8加括号根号3减2括号乘括号根号3加2括号、求步骤
化简：根号18减根号8加括号根号3减2括号乘括号根号3加2括号、求步骤
数学人气：593 ℃时间：2020-03-17 09:25:32
优质解答
根号18-根号8+（根号3-2）*（根号3+2） =3根号2-2根号2+根号3的平方-2的平方 =负根号2+3-4 = 负根号2-1
我来回答
类似推荐
猜你喜欢
- 1（g*f）(x)=|x^2+1|,（g*f)(x)={1/根号下(x^2+1)}^3
- 2芳芳看一本250页的书,前3天看了75页,照这样计算她看完这本书共要几天?
- 3翻译Sorry that I didn't reply to you as soon as I wish since I was quite busy.
- 4I‘m very thirsty.Please give （）some water.
- 5拟人比喻句在一块的句子
- 6已知一次函数图象经过点(3,5)且与y=2x+8平行,求这个一次函数的解析式
- 7Will Mr Smith give us a talk tomorrow?Yes,I s__ so.根据首字母写单词.
- 8It wasn’t until we had sat down to eat_______ we got back
- 9英语翻译
- 10可以告诉我在元素周期表里前20中元素的变价(化合价)吗?