1.
1/10 km2=...la:
A.1ha B.10ha C.10 000m2 D.1000m2
2.Mot phong hop dang HHCN co CD 10m Cr 6,5m va CC 2m.Hoi phong hop do co the chua dc nhieu nhat bn nguoi,biet rang moi nguoi can 5m3 khong khi de tho va the tich do dac trong phong la m3.
Giai giup vs ak,iu nhieu lem,cang nhanh cang tot nhoa,I Love You Pac Pac!:333>33