计算 4√3-2(1+√3)+√(-2)² √48+√27+√13 √4-√0.25+³√-27

题目

计算 4√3-2(1+√3)+√(-2)² √48+√27+√13 √4-√0.25+³√-27

答案

4√3-2(1+√3)+√(-2)²
=4√3-2-2√3+2
=2√3
√48+√27+√13
=4√3+3√3+√3/3
=25√3/3
√4-√0.25+³√-27
=2-0.5-3
=-1.5