利用分解因式:1-2345²+0.7655²+2.469×0.7655
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 11:50:15
![利用分解因式:1-2345²+0.7655²+2.469×0.7655](/uploads/image/z/1030457-65-7.jpg?t=%E5%88%A9%E7%94%A8%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%EF%BC%9A1-2345%26%23178%3B%2B0.7655%26%23178%3B%2B2.469%C3%970.7655)
利用分解因式:1-2345²+0.7655²+2.469×0.7655
利用分解因式:1-2345²+0.7655²+2.469×0.7655
利用分解因式:1-2345²+0.7655²+2.469×0.7655
0.2345²+0.7655²+2.469×0.7655
=0.2345^2+2*0.2345*0.7655+0.7655^2
=(0.2345+0.7655)^2
=1^2
=1
1.2345²+0.7655²+2.469×0.7655
=1.2345²+2×1.2345×0.7655+0.7655²
=(1.2345+0.7655)²
=4
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