(√8+√48)(√2-√12)-(√2-√3)²

问题描述:

(√8+√48)(√2-√12)-(√2-√3)²

(√8+√48)(√2-√12)-(√2-√3)²
=(2√2+4√3)(√2-2√3)-(2-2√6+3)
=4-4√6+4√6-24-2+2√6-3
=2√6-25