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1 . 如图,四边形
是平行四边形,点P在
上,判断下列各式是否正确(正确的在括号内打“√",错误的打“×”)
.( )
(2)
.( )
(3)
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebbad1b2bff36aad7e25f1083b8579d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f49262730c83844f4544d332c77153ca.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe4ef65bd005091001bd3b7c49f452d.png)
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2020-02-02更新
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704次组卷
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4卷引用:人教A版(2019) 必修第二册 逆袭之路 第六章 6.2.2 向量的减法运算