九上数学计算题 √8a³－2a²√1／8a＋3√2a³ (√6－√3／2﹚－﹙√24＋2√2／3﹚咋写

题目

九上数学计算题 √8a³－2a²√1／8a＋3√2a³ (√6－√3／2﹚－﹙√24＋2√2／3﹚咋写
(1)√8a³－2a²√1／8a＋3√2a³
(2 )(√6－√3／2﹚－﹙√24＋2√2／3﹚

答案

√8a³－2a²√1／8a＋3√2a³
=2a√2a-1/2√2a+3a√2a
=9/2a√2a
(√6－√3／2﹚－﹙√24＋2√2／3﹚
=√6-1/2√6-2√6-2/3√6
=(1-1/2-2-2/3)√6
=-13/6√6