计算1.(√a-√b)/(√a+√b)+((√a/a+√ab)-√b/(b-√ab))÷1/b2.已知x=1/(2-√3),y=1/(2+√3),求10x²+xy+10y²的值3.化简并求值:(a+√ab)/(√ab+b)+(√ab+b)/(a-√ab),其中a=2+√3,b=
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 01:14:04
![计算1.(√a-√b)/(√a+√b)+((√a/a+√ab)-√b/(b-√ab))÷1/b2.已知x=1/(2-√3),y=1/(2+√3),求10x²+xy+10y²的值3.化简并求值:(a+√ab)/(√ab+b)+(√ab+b)/(a-√ab),其中a=2+√3,b=](/uploads/image/z/10330654-22-4.jpg?t=%E8%AE%A1%E7%AE%971.%EF%BC%88%E2%88%9Aa%EF%BC%8D%E2%88%9Ab%EF%BC%89%2F%EF%BC%88%E2%88%9Aa%EF%BC%8B%E2%88%9Ab%EF%BC%89%2B%EF%BC%88%EF%BC%88%E2%88%9Aa%2Fa%2B%E2%88%9Aab%EF%BC%89%EF%BC%8D%E2%88%9Ab%2F%EF%BC%88b%EF%BC%8D%E2%88%9Aab%EF%BC%89%EF%BC%89%C3%B71%2Fb2.%E5%B7%B2%E7%9F%A5x%3D1%2F%EF%BC%882%EF%BC%8D%E2%88%9A3%EF%BC%89%2Cy%3D1%2F%EF%BC%882%2B%E2%88%9A3%EF%BC%89%2C%E6%B1%8210x%26%23178%3B%2Bxy%2B10y%26%23178%3B%E7%9A%84%E5%80%BC3.%E5%8C%96%E7%AE%80%E5%B9%B6%E6%B1%82%E5%80%BC%EF%BC%9A%28a%2B%E2%88%9Aab%29%2F%28%E2%88%9Aab%2Bb%29%2B%28%E2%88%9Aab%2Bb%29%2F%28a%EF%BC%8D%E2%88%9Aab%29%2C%E5%85%B6%E4%B8%ADa%3D2%2B%E2%88%9A3%2Cb%3D)
计算1.(√a-√b)/(√a+√b)+((√a/a+√ab)-√b/(b-√ab))÷1/b2.已知x=1/(2-√3),y=1/(2+√3),求10x²+xy+10y²的值3.化简并求值:(a+√ab)/(√ab+b)+(√ab+b)/(a-√ab),其中a=2+√3,b=
计算
1.(√a-√b)/(√a+√b)+((√a/a+√ab)-√b/(b-√ab))÷1/b
2.已知x=1/(2-√3),y=1/(2+√3),求10x²+xy+10y²的值
3.化简并求值:(a+√ab)/(√ab+b)+(√ab+b)/(a-√ab),其中a=2+√3,b=2-√3
4.1/(√3-√2)+3/(√2-√5)+2/(√5+√3)
5.5/(4-√11)+1/(3+√7)-6/(√7-2)-(√7-5)/2
6.(x√x+y√y)÷(√x+√y)
我都100悬赏了也没有人回答吗.
计算1.(√a-√b)/(√a+√b)+((√a/a+√ab)-√b/(b-√ab))÷1/b2.已知x=1/(2-√3),y=1/(2+√3),求10x²+xy+10y²的值3.化简并求值:(a+√ab)/(√ab+b)+(√ab+b)/(a-√ab),其中a=2+√3,b=
√ab是√a*b还是√(a*b)
计算:√a分之b
计算:√(3a)/2b*[√(b/a)÷2√(1/b)]
计算:√(3a/2b)*[√(b/a)÷2√(1/b)]
计算:(1)(3)a²√b=√a²b+a√b²-√a²/b(a≥0,b>0)
计算:a√(3a/b)/b√(3b/a),(a>0,b>0),结果是
(√a-√b)÷(√a+√b)(a≠b) 要计算过程
(√a+√b)(3√a-√b)计算
计算(1)(√a+√b)²(a≥0,b≥0)
计算√(1/b-1)·√(ab-a)
计算.二次根式(a-b)/(√a-√b)-(a+b-2√ab)/(√a-√b)
已知:a、b满足b=√a-2+√(6-3a)+5,化简并计算:√a·√a/b÷√2b/a×√2b/a化简并计算:√a×√a/b÷√2b/a×√2b/a
计算a√(2b/a)÷b√(2a/b)
当a>b时,化简,(a⁴-b⁴)√(a﹢b/a-b)﹢b²/a-b√(a²b⁴当a>b时,化简,(a⁴-b⁴)√(a﹢b/a-b)﹢(b²/a-b)√(a²b⁴-b的6次方)-(a²+b
计算(1).(1+√x)(1-√x)(2).(√a+√b)(-√a-√b)
已知a+b=-3,ab=2,计算√a分之b+√b分之a的值
数学二次根式计算计算:-b+√b^2-4ac /2a + -b-√b^2-4ac /2a (b^2>4ac)
计算[(√ab ) -ab/(a+√ab)]÷(√ab)-b/a-b
计算(√a³-√a²b/a-√ab)-(a-b/√a+√b)