(1)|1-√2|+|√3-√2|-|2√2-√3| (2)√(-5)²+³√(-5)³+1/5√900

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/06 08:20:56

(1)|1-√2|+|√3-√2|-|2√2-√3| (2)√(-5)²+³√(-5)³+1/5√900
(1)|1-√2|+|√3-√2|-|2√2-√3| (2)√(-5)²+³√(-5)³+1/5√900

(1)|1-√2|+|√3-√2|-|2√2-√3| (2)√(-5)²+³√(-5)³+1/5√900
(1)|1-√2|+|√3-√2|-|2√2-√3|
=√2-1+√3-√2-2√2+√3
=2√3-2√2-1
(2)√(-5)²+³√(-5)³+1/5√900
=5+(-5)+1/5*30
=5-5+6
=6