T
tienganh1
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
Giup minh bai nay vs:
De bai:
1 chiec tau bi thung 1 lo o do sau 2,8 m. Nguoi ta dat 1 mieng va ap vao lo thung tu phia trong. Hoi can 1 luc toi thieu = bao nhieu de giu mieng va neu lo thung rong 150cm2 &trong luong rieng cua nuoc la 10000N/m3
HY VONG CAC BAN CO THE LAM GIUP MINH!!!
:|:|:|![Big Grin :D :D](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
![Big Grin :D :D](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
:khi (108)::khi (109):
De bai:
1 chiec tau bi thung 1 lo o do sau 2,8 m. Nguoi ta dat 1 mieng va ap vao lo thung tu phia trong. Hoi can 1 luc toi thieu = bao nhieu de giu mieng va neu lo thung rong 150cm2 &trong luong rieng cua nuoc la 10000N/m3
HY VONG CAC BAN CO THE LAM GIUP MINH!!!
:|:|:|