根号2减根号12的差乘以根号18加根号48的和除以根号3减根号2的差的平方

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(√2-2√3)(3√2+4√3)/(√橘肆含滚3-√2)²
=(6+4√6-6√6-24)/(5-2√圆老轿6)
=(-2√6-18)/(5-2√6)
=-2(√6+9)(5+2√6)
=-2(5√6+12+45+18√6)
=-114-46√6

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