28、化简(√6+4√3+3√2)/[(√6+√3)(√3+√2)]=
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![28、化简(√6+4√3+3√2)/[(√6+√3)(√3+√2)]=](/uploads/image/z/364948-52-8.jpg?t=28%E3%80%81%E5%8C%96%E7%AE%80%EF%BC%88%E2%88%9A6%2B4%E2%88%9A3%2B3%E2%88%9A2%EF%BC%89%2F%5B%EF%BC%88%E2%88%9A6%2B%E2%88%9A3%EF%BC%89%EF%BC%88%E2%88%9A3%2B%E2%88%9A2%EF%BC%89%5D%3D)
28、化简(√6+4√3+3√2)/[(√6+√3)(√3+√2)]=
28、化简(√6+4√3+3√2)/[(√6+√3)(√3+√2)]=
28、化简(√6+4√3+3√2)/[(√6+√3)(√3+√2)]=
化简如下 (√6+4√3+3√2)/[(√6+√3)(√3+√2)]
=[(√6+√3)+3(√3+√2)]/[(√6+√3)(√3+√2)]
=(√6+√3)/[(√6+√3)(√3+√2)] + 3(√3+√2)]/[(√6+√3)(√3+√2)]
=1/(√3+√2) + 3/(√6+√3)
=(√3-√2)/[(√3+√2)(√3-√2)] + 3(√6-√3)/[(√6+√3)(√6-√3)]
=(√3-√2)+(√6-√3)
= √6-√2