(7+4√3)(2-√3)²+(2+√3)(2-√3)+√3
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/01 10:59:56
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(7+4√3)(2-√3)²+(2+√3)(2-√3)+√3
(7+4√3)(2-√3)²+(2+√3)(2-√3)+√3
(7+4√3)(2-√3)²+(2+√3)(2-√3)+√3
原式=(7+4√3)(7-4√3)+(4-3)+√3
=(49-48)+1+√3
=2+√3
3+2根号3