giai

luc truoc khi hoa cho binh hoa con so hinh dan la:

16+5=21(hinh dan)

luc truoc khi hoa cho mai hoa con so hinh dan la:

1-1/4=3/4(hinh dan)

tong so hinh dan cua hoa truoc khi cho hai ban la:

21: 3/4=28(hinh dan)

vay hoa co 28 hinh dan

take

hoat dong kinh te chu yeu co 2 nghanh chinh:

-nghanh cong nghiep khai thac

-nghang cong nghiep che bien

dac diem

-nghanh cong nghiep khai thac: tap chung o nhung noi giau khoang san

-nghanh cong nghiep che bien: la nghanh kha pho bien o doi on hoa

1. Everything is not ok, and this problem either

2. Nothing can prevent him from going there, and you too

3. Nbody knew why he was absent, and too

may