ve:10 cay 9 hang moi hang 3 cay (dung co like)
co 9 cay 10 hang moi hang 3 cay hay ve giup di
ve so do trong 10 cay thanh 5 hang moi hang 4 cay
ve:10 cay 9 hang moi hang 3cay(doc ki de bai nha)(thuc thi lam luon ho)
Co 6 cay sap thanh 5 hang moi hang 3 cay vay mik phai ve the nao
theo hinh 14 thi ta co the trong duoc 12 cay thanh 6hang moi hang 4 cay . hay ve so do trong 10 cay thanh 5hang moi hang 4cay
day la toan lop 6 hinh hoc tap 1 tang 107
cho 9 cay trong thanh 9 hang moi hang 3 cay
trong5caythanh2 hang moi hang 3 cay
trong7caythanh6 hang moi hang 3 cay
v
a 2 hang moi hang 3 cay ne so cay la
Hay trong 9 cay thanh 9 hang moi hang co 3 cay
