1、LOGO学堂,FD,说一说,后退,RT,LT,PU,落笔,PE,复位,显龟,HT,清屏复位,前进,BK,右转,左转,提笔,PD,擦除,HOME,ST,藏龟,CS,画一画,方法一:,方法二:,FD 40 BK 40 RT 60,FD 40 HOME RT 60,. . . . .,. . . . .,方法一:,比一比,方法二:,FD 40 BK 40 RT 60,FD 40 HOME RT 60,FD 40 BK 40 RT 60,FD 40 BK 40 RT 60,FD 40 BK 40 RT 60,FD 40 BK 40 RT 60,FD 40 BK 40 RT 60,FD 40 HOME
2、RT 120,FD 40 HOME RT 180,FD 40 HOME RT 240,FD 40 HOME RT 300,FD 40 HOME,比一比,方法一:,FD 40 BK 40 RT 60,FD 40 BK 40 RT 60,FD 40 BK 40 RT 60,FD 40 BK 40 RT 60,FD 40 BK 40 RT 60,FD 40 BK 40 RT 60,试一试,思考:相邻的两条线段之间 夹角是,10 ,36036=10度,36条线段,试一试,两分钟倒计时,10 ,认识新朋友,我是观察家,FD 40 BK 40 RT 60,FD 40 BK 40 RT 60,FD 40 B
3、K 40 RT 60,FD 40 BK 40 RT 60,FD 40 BK 40 RT 60,FD 40 BK 40 RT 60,看一看,6,REPEAT,空格,FD 40 BK 40 RT 60,试一试,FD 40 BK 40 RT 10 FD 40 BK 40 RT 10 FD 40 BK 40 RT 10 FD 40 BK 40 RT 10 FD 40 BK 40 RT 10 FD 40 BK 40 RT 10 . . . . . .,10,REPEAT 36FD 40 BK 40 RT 10,我是小画家,再添画步长为100的线段,猜一猜,FD 100 RT 120 FD 100 RT 120 FD 100 RT 120,用一用,REPEAT 3FD 100 RT 120,用一用,LT 90 REPEAT 2FD 60 RT 90 FD 100 RT 90,RT 60,FD 40 HOME,RT 120,FD 40 HOME,RT 180,FD 40 HOME,RT 240,FD 40 HOME,RT 300,FD 40 HOME,想一想,做一做,用REPEAT命令画出下面的图形。,让蒲公英飘起来吧,你有哪些收获?,作品欣赏,谢 谢,