化简下列各式:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be9cc4260c848832e6b88eefe0b933a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129e4fd542224256cdb6558f6f43c2d5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37f4be8f3094921ffd3179a2d1bf6bdc.png)
20-21高一·全国·课后作业 查看更多[4]
(已下线)9.2.1 向量的加减法(已下线)6.2 平面向量的运算(学案)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)苏教版(2019)必修第二册课本习题9.2.1 向量的加减法甘肃省兰州新区贺阳高级中学2023-2024学年度高一下学期3月月考数学试题
更新时间:2021-11-12 10:10:22
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