问题
填空题
若﹣3x 2+m y3与2xyn是同类项，则mn= （ ）。
答案
﹣3
搜题请搜索小程序“爱下问搜题”
若﹣3x 2+m y3与2xyn是同类项，则mn= （ ）。
﹣3
| 选词填空，并注意词形变化。 | |
2. For years, they _____ _____ other people's songs. 3. Be sure not to miss them if you _____ tickets. 4. They're going to _____ on CCTV next month. 5. Have they _____ a music video? 6. Do you _____ a musical instrument? |