(1+√2)²(1+√3)²(1-√2)²(1-√3)²怎么算啊
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/19 07:43:49
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(1+√2)²(1+√3)²(1-√2)²(1-√3)²怎么算啊
(1+√2)²(1+√3)²(1-√2)²(1-√3)²怎么算啊
(1+√2)²(1+√3)²(1-√2)²(1-√3)²怎么算啊
(1+√2)²(1+√3)²(1-√2)²(1-√3)²
=[(1+√2)(1-√2)]²[(1+√3)(1-√3)]²
=(1-2)²(1-3)²
=1×4
=4
(1+√2)²(1+√3)²(1-√2)²(1-√3)²
=4
答:
(1+√2)²(1+√3)²(1-√2)²(1-√3)²
=(1+√2)²(1-√2)²(1+√3)²(1-√3)²
=[(1+√2)(1-√2)]²[(1+√3)(1-√3)]²
=(1-2)²(1-3)²
=1*4
=4