解方程 1.(x-根号下3)²=2 2.2*(3x-根号下2)²=8 化简 1.5/根号下5+根号下5/4-1/4*根号下802.(根号下12-根号下4/3)-2*(根号下1/8-1/根号下2-根号下18)
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![解方程 1.(x-根号下3)²=2 2.2*(3x-根号下2)²=8 化简 1.5/根号下5+根号下5/4-1/4*根号下802.(根号下12-根号下4/3)-2*(根号下1/8-1/根号下2-根号下18)](/uploads/image/z/10139790-30-0.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B+1.%28x-%E6%A0%B9%E5%8F%B7%E4%B8%8B3%EF%BC%89%26sup2%3B%3D2+2.2%2A%EF%BC%883x-%E6%A0%B9%E5%8F%B7%E4%B8%8B2%EF%BC%89%26%23178%3B%3D8+%E5%8C%96%E7%AE%80+1.5%2F%E6%A0%B9%E5%8F%B7%E4%B8%8B5%2B%E6%A0%B9%E5%8F%B7%E4%B8%8B5%2F4-1%2F4%2A%E6%A0%B9%E5%8F%B7%E4%B8%8B802.%EF%BC%88%E6%A0%B9%E5%8F%B7%E4%B8%8B12-%E6%A0%B9%E5%8F%B7%E4%B8%8B4%2F3%EF%BC%89-2%2A%EF%BC%88%E6%A0%B9%E5%8F%B7%E4%B8%8B1%2F8-1%2F%E6%A0%B9%E5%8F%B7%E4%B8%8B2-%E6%A0%B9%E5%8F%B7%E4%B8%8B18%EF%BC%89)
解方程 1.(x-根号下3)²=2 2.2*(3x-根号下2)²=8 化简 1.5/根号下5+根号下5/4-1/4*根号下802.(根号下12-根号下4/3)-2*(根号下1/8-1/根号下2-根号下18)
解方程 1.(x-根号下3)²=2 2.2*(3x-根号下2)²=8 化简 1.5/根号下5+根号下5/4-1/4*根号下80
2.(根号下12-根号下4/3)-2*(根号下1/8-1/根号下2-根号下18)
解方程 1.(x-根号下3)²=2 2.2*(3x-根号下2)²=8 化简 1.5/根号下5+根号下5/4-1/4*根号下802.(根号下12-根号下4/3)-2*(根号下1/8-1/根号下2-根号下18)
1.(x-根号下3)²=2
(x-√3)²=2
x-√3=±√2
∴x=√3±√2
2. 2×(3x-根号下2)²=8
2×(3x-√2)²=8
(3x-√2)²=4
3x-√2=±2
3x=√2±2
x=(√2±2)/3
3.1. 5/根号下5+根号下5/4-1/4*根号下80
原式=1·5/√5+√5/2-4√5/4
=﹙3/2﹚√5/5+√5/2-2√5/2
=3√5/10-5√5/10
=-2√5/10
=-√5/5
4·(根号下12-根号下4/3)-2*(根号下1/8-1/根号下2-根号下18)
原式=﹙2√3-2√3/3﹚-2×﹙√2/4-√2/2-3√2﹚
=4√3/3-√2/2﹢√2﹢6√2
=4√3/3﹢13√2/2
buzhidao
真难。