math作文300字

　　The high, middle, and Angle bisector of the triangle is the main line, in the triangle and triangle on the Angle of inside and outside. Teaching experiments for students to understand the stability of the triangle, in know the inside of the triangle and is equal to 180 °, on the basis of reasoning, which outside, the nature of the triangle are obtained. By promoting the related concept of the triangle, then introduces the related concepts of polygon, some properties of triangle was used to study the inside and outside and the formula of polygon. These knowledge to deepen the students understanding of triangle, is not only the foundation of learning special triangle, is also the foundation of studying other graphics. Finally combining with case study the relevant problems of Mosaic, embodies the polygon angles and formula application in real life.

　　Folding editing this section of the directory

【math作文300字】相關(guān)文章：

作文啊作文02-11

我與作文作文01-01

日出作文作文10-04

笑作文作文03-03

六一作文作文03-04

母愛(ài)作文作文03-04

日食的作文_風(fēng)景作文_關(guān)于日食的作文03-25

作文優(yōu)秀作文優(yōu)秀10-15

渴望作文優(yōu)秀作文03-05

路牌作文-路作文01-25