| 标题 | 解决时间 | 回答数 | 回答者 |
|---|---|---|---|
| 老师,这个解析式去去了括号为(x-1的 [函数] | 2021-08-03 | 4 | |
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| sin(兀/2十a)=cos a 为什 [不确定] | 2021-08-03 | 1 | |
| 三角形面积公式多全一点 [三角函数] | 2021-08-03 | 5 | |
| 2021-08-03 | 1 | ||
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| 图片上的答案是什么?怎么做的? [函数] | 2021-08-03 | 1 | |
| 所以这道公式怎么推? [方法与资料] | 2021-08-03 | 1 |

