计算:(√6+√5)²-(√6-√5)²
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/26 08:52:21
计算:(√6+√5)²-(√6-√5)²计算:(√6+√5)²-(√6-√5)²计算:(√6+√5)²-(√6-√5)²原式=[(√6+√5
计算:(√6+√5)²-(√6-√5)²
计算:(√6+√5)²-(√6-√5)²
计算:(√6+√5)²-(√6-√5)²
原式=[(√6+√5)+(√6-√5)][(√6+√5)-(√6-√5)]
=(2√6)(2√5)
=4√30
(√6+√5)²-(√6-√5)²
=(√6+√5+√6-√5)(√6+√5-√6+√5)
=2√6 *2√5
=4√30