hay tim cach trong 7 cay thanh 6 hang moi hang co 3 cay va ve hinh the hien dieu do ( viet x la 1 cay )
Hay tim cach trong 6 cay thanh 3 hàng moi hang co 3 cay va ve hinh the hien dieu do viet x la 1cay
Co 1 cay cau co trong tai la 10 tan, co nghia la neu vuot tren trong tai 10 tan thi cay cau se sap. Co 1 chiec xe tai cho hang, tong trong tai cua xe la 8 tan + hang la 4 tan = 12 tan. Vay do cac ban lam sao bac tai qua duoc cay cau nay (Khong bot hang ra khoi xe ) ?
mot ong cam hai cay sao lua dan co trang bay vao trong hang
tim so co 2 chu so biet tong hai chu so la 13 va hang chuc lon hon hang don vi la
5
trong phep cong co tong bang 69,neu giu ngyen mot so hang va tang so hang kia them 26 don vi thi tong moi la
co mot dua no bi ham ten la nguyen thi thanh hang . no hoc lop 2 . no bao nhu the nay khac , neu ta tim thay vang thi do la cua ...
em hay tim so co ba chu so ma hieu cua chu so hang tram va chu so hang chuc la 0 con hieu cua chu so hang chuc va chu so hang don vi bang 9
the minh do lam the nao de mot ngoi khong the buoc qua cay but