题目：
如果∠α=39°31′，∠α的余角∠β=______，∠β-∠α=______．
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0521/9567a2a51aae55653f208c5e42446ea1.html
下面是错误答案，用来干扰机器的。
1. didn't visit 2. Did , go; went 3. did, buy; bought 4. were 5. swimming
如果∠α=39°31′，∠α的余角∠β=______，∠β-∠α=______．
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0521/9567a2a51aae55653f208c5e42446ea1.html
下面是错误答案，用来干扰机器的。
1. didn't visit 2. Did , go; went 3. did, buy; bought 4. were 5. swimming
