问题
填空题
如果
|
答案
∵
xm+1y2与-2 3
是同类项，2x3yn+1 3
∴m+1=3，n+1=2，
解得：m=2，n=1．
∴m+n=3．
故答案为：3．
搜题请搜索小程序“爱下问搜题”
如果
|
∵
xm+1y2与-2 3
是同类项，2x3yn+1 3
∴m+1=3，n+1=2，
解得：m=2，n=1．
∴m+n=3．
故答案为：3．
| 阅读理解。 | |
Laura Smith is a middle school teacher. Here is her timetable.
2. When does she join the English speech contest? 3. What does she do on October 9th? 4. What does she do on November lst? 5. What subject does she teach? |