Mot nguoi ban cam , lan thu nhat nguoi do ban 1\2 so cam va 1 qua .Lan thu hai nguoi do ban 1\2 so cam con lai va 1 qua . Lan thu ba nguoi do ban 1\2 so cam con lai va 1 qua ( sau lan thu nhat va lan thu hai ban ) . Cuoi cung con lai 10 qua . hoi so cam luc dau khi chua mang ra cho ban la bao nhieu qua ?
giai bai toan nang cao lop : hai nguoi ban di mua hoa tet , tong so tien cua hai ban la 79 000 dong khi nguoi thu 1 mua het 5\6 so tien cua minh va nguoi thu 2 mua het 6\7 so tien cua minh thi nguoi thu con lai nhieu hon nguoi thu nhat 2 000 dong . hoi a moi nguoi co bao nhieu tien b moi nguoi tieu het bao nhieu tien
MOT NGUOI DI CHO BAN TRUNG .NGUOI KHACH THU NHAT MUA 1\2 SO TRUNG ROI MUA THEM 2 QUA . NGUOI KHACH THU HAI MUA 1\2 SO TRUNG CON LAI ROI MUA THEM 2 QUA.NGUOI KHÁCH THU BA MUA 1\2 SO TRUNG CON LAI ROI MUA THEM 2 QUA.NGUOI KHACH THU TU MUA 1\2 SO TRUNG CON LAI ROI MUA THEM 2 QUA NUA THI VUA HET.HOI NGUOI BAN HANG BAN DUOC BAO NHIEU QUA TRUNG VA DUOC BAO NHIEU TIEN TRUNG BIET RANG GIA MOT QUA TRUNG LA 3000 DONG
Mot nguoi mang trung di cho ban. Nguoi khach thu nhat den mua 1/4 so trung, nguoi khach thu hai mua so trung gap ruoi so trung nguoi thu nhat mua, nguoi khach thu ba mua 6 chuc qua trung thi vua het. Hoi nguoi ban trung mang di cho tat ca bao nhieu qua trung?
Mot bac nong dan dem xoai ra cho ban,bac nong dan ban cho nguoi thu nhat 2/5 so xoai , ban cho nguoi thu hai 1/3 so xoai va ban cho nguoi thu ba 40 qua xoai thi het so xoai mang theo. Hoi bac nong dan da ban tat ca bao nhieu qua xoai
mot nguoi ban lan thu nhat ban 1/3 so oi va 5 qua, lan thu hai ban 1/3 so oi con lai va 6 qua,lan thu ba ban 1/3 so oi con lai va 10 qua thi con lai 6 qua.Vay ban dau nguoi do dem di ban
GHI CACH LAM RA
mot nguoi ban lan thu nhat ban 1/3 so oi va 5 qua, lan thu hai ban 1/3 so oi con lai va 6 qua,lan thu ba ban 1/3 so oi con lai va 10 qua thi con lai 6 qua.Vay ban dau nguoi do dem di ban
GHI CACH LAM RA
Bon nguoi mua chung 1 bao gao. nguoi thu nhat mua so gao bang 1/2 tong so gao cua 3 nguoi kia, nguoi thu hai ma gao bang 1/3so gao cua ba nguoi kia, nguoi thu 4 mua 19,5 kg gao thi het so gao trong bao.ôhi bao gao do co bao nhieu kg
1) Ban Xuan mua sach toan va sach van het 70 500 dong . Ban Ha mua sach toan va sach van het 64 500 dong . Biet moi quyen sach toan gia 7 500 dong , sach van gia 6 000 dong va so sach toan ban cua ban nay so sach van cua ban kia . Hoi ban Xuan mua bao nhieu sach toan , bao nhieu sach van ?
2) Hai nguoi cung lam chung 1 cong viec sau 12 gio thi hoan thanh . Neu nguoi thu nhat lam mot minh 2/3 cong viec mat 10 gio . Hoi nguoi thu hai lam 1/3 thi het bao lau moi xong ?
Cac ban giai duoc bai nao thi giai nhe !