括号2根号3减根号2分之10加根号3减根号2分之2括号,括号4根号3减3根号2括号等于多少,
问题描述:
括号2根号3减根号2分之10加根号3减根号2分之2括号,括号4根号3减3根号2括号等于多少,
答
(2√3-10/√2+√3-2/√2)(4√3-3√2)
=(2√3-5√2+√3-√2)(4√3-3√2)
=(3√3-6√2)(4√3-3√2)
=36-24√6-9√6+36
=72-33√6