1.(√3-√2)^7((2√6)+ 5)2.√50+(2/√2+1)-(4√1/2)+(2(√2-1))^03.(3/5√xy的立方)÷(4/5√x/y)(-5/6√x的立方y)4.(2/b√ab的5次方)-(1-3/2√a的立方b)÷3√b/a5.已知x=√x+1求((x
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![1.(√3-√2)^7((2√6)+ 5)2.√50+(2/√2+1)-(4√1/2)+(2(√2-1))^03.(3/5√xy的立方)÷(4/5√x/y)(-5/6√x的立方y)4.(2/b√ab的5次方)-(1-3/2√a的立方b)÷3√b/a5.已知x=√x+1求((x](/uploads/image/z/5225316-60-6.jpg?t=1.%EF%BC%88%E2%88%9A3-%E2%88%9A2%EF%BC%89%5E7%EF%BC%88%EF%BC%882%E2%88%9A6%EF%BC%89%2B+5%EF%BC%892.%E2%88%9A50%2B%EF%BC%882%2F%E2%88%9A2%2B1%EF%BC%89-%EF%BC%884%E2%88%9A1%2F2%EF%BC%89%2B%EF%BC%882%EF%BC%88%E2%88%9A2-1%EF%BC%89%EF%BC%89%5E03.%EF%BC%883%2F5%E2%88%9Axy%E7%9A%84%E7%AB%8B%E6%96%B9%EF%BC%89%C3%B7%EF%BC%884%2F5%E2%88%9Ax%2Fy%EF%BC%89%EF%BC%88-5%2F6%E2%88%9Ax%E7%9A%84%E7%AB%8B%E6%96%B9y%EF%BC%894.%EF%BC%882%2Fb%E2%88%9Aab%E7%9A%845%E6%AC%A1%E6%96%B9%EF%BC%89-%EF%BC%881-3%2F2%E2%88%9Aa%E7%9A%84%E7%AB%8B%E6%96%B9b%EF%BC%89%C3%B73%E2%88%9Ab%2Fa5.%E5%B7%B2%E7%9F%A5x%3D%E2%88%9Ax%2B1%E6%B1%82%EF%BC%88%EF%BC%88x)
1.(√3-√2)^7((2√6)+ 5)2.√50+(2/√2+1)-(4√1/2)+(2(√2-1))^03.(3/5√xy的立方)÷(4/5√x/y)(-5/6√x的立方y)4.(2/b√ab的5次方)-(1-3/2√a的立方b)÷3√b/a5.已知x=√x+1求((x
1.(√3-√2)^7((2√6)+ 5)
2.√50+(2/√2+1)-(4√1/2)+(2(√2-1))^0
3.(3/5√xy的立方)÷(4/5√x/y)(-5/6√x的立方y)
4.(2/b√ab的5次方)-(1-3/2√a的立方b)÷3√b/a
5.已知x=√x+1求((x+1/x平方-x)-(x/x平方-2x+1)÷1/x的值
1.(√3-√2)^7((2√6)+ 5)2.√50+(2/√2+1)-(4√1/2)+(2(√2-1))^03.(3/5√xy的立方)÷(4/5√x/y)(-5/6√x的立方y)4.(2/b√ab的5次方)-(1-3/2√a的立方b)÷3√b/a5.已知x=√x+1求((x
题目写的不清楚
1.注意2*6^0.5+5=(3^0.5+2^0.5)^2,而(3^0.5-2^0.5)*(3^0.5+2^0.5)=3-2=1
所以原式=(3^0.5-2^0.5)^5,是不是后面少了几次方没打阿?5次方也很难做啊
如果是5次方结果=69*3^0.5-109*2^0.5
2.第二项是2/2^0.5+1还是2/(2^0.5+1)?第三项是4*1^0.5/2还是4*(1/2)^0.我算得式子是
50^0.5+2/2^0.5+1-4*(1/2)^0.5+XXX^0
最后一个0次方肯定是1,所以
=5*2^0.5+2^0.5+1-2*2^0.5+1=4*2^0.5+2
3.同样的问题,我算得式子是
(3/5*x^0.5*y^3) / (4/5*x^0.5/y) *(-5/6*x^1.5*y)
=3/4*y^4*-5/6*x^1.5*y=-5/8*x*x^0.5*y^5
4.5把题目写清楚了吧,太难懂了,觉得有歧义的就加括号吧
1.(√3-√2)(2√6+5) =7(2√18+5√3-2√12-5√2) =7√2+7√3 2.原式=5√2+2√2+1-2√2+2√2-1 =7√2 三四五题你把根号里边包括的说清楚点我在帮你做
抱歉,猜题目意思?还做不到
的风格大方
就是啊。。题目都有歧义。。没法做啊。。