1 / 4

7.8 同底数幂相除

7.8 同底数幂相除. 第 1 课时. 授课人：帅美玲. 引导性材料：. 填空：. 请把（ 2 ）式改写成除法形式. (2)( )×2 3 =2 5 ; 10 3 ×( )=10 5 ; a 2 ·( )=a 6. 2 2. (1)2 2 ×2 3 =( ); 10 3 ×10 2 = ( ); a 2 ·a 4 =( ). 2 5. 10 5. 10 2. a 6. a 4. 改写后为：. 2 5 ÷2 3 = （ );

toyah
Download Presentation

7.8 同底数幂相除

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 7.8同底数幂相除 第1课时 授课人：帅美玲

  2. 引导性材料： 填空： 请把（2）式改写成除法形式 (2)( )×23=25; 103×( )=105; a2·( )=a6. 22 (1)22×23=( ); 103×102= ( ); a2·a4=( ). 25 105 102 a6 a4

  3. 改写后为： 25÷23=（ ); 105÷103=( ); a6÷a2=(). 22 102 a4

  4. 7、8同底数幂相除 观察下题的特点，你能总 结出什么规律？ 25÷23= 22 105÷103= 102 a6÷a2=a4

More Related