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
ve so do trong 10 cay thanh 5 hang moi hang 4 cay
Co 6 cay sap thanh 5 hang moi hang 3 cay vay mik phai ve the nao
Hay trong 9 cay thanh 9 hang moi hang co 3 cay
co 12 cay xep vao 6 hang moi hang 4 cay
co 9 cay 10 hang moi hang 3 cay hay ve giup di
Trong 10 cay thanh 6 hang,moi hang 4 cay
16 cay thanh 8 hang moi hang co 4 cay
Huong ung phong trao trong cay gay rung . khi so cay duong duoc dem trong thanh 100, 150, 200 hang thi du ra 81 cay.tinh so cay duong trong?biet rang co khoang 1500 den 2000 cay