√27-√48+2√75
问题描述:
√27-√48+2√75
答
√27-√48+2√75
=3√3-4√3+2×5√3
=(3-4+10)×√3
=9√3
√27-√48+2√75
√27-√48+2√75
=3√3-4√3+2×5√3
=(3-4+10)×√3
=9√3