Ban Linh song o chung cu ban song o tang 9.Giua2 tang co 36 bac thang.Do thang may bi hong nen Linh phai di tu tang 1 den tang 9.Tinh so tang Linh can di.
di tu tang 1den tang 4 mat 12 phut .Hoi di tu tang 1 den tang 6 mat bao nhieu phut
Tang co 12 cai bong hoa va ban nam co it hon 1/6 cai bong hoa hoi ban tang va ban nam co tat ca bao nhieu bong hoa
1.Ban phu huynh lop 6A mua cap tang cho hoc sinh gioi va kha.Moi hoc sinh gioi duoc tang cap 200000 dong;Moi hoc sinh kha duoc tang cap 150000 dong.Tong so tien la 3200000 dong,phai tang 18 ban.Hoi co bao nhieu hoc sinh gioi?
2.Ung ho tre em vung cao.Truong tieu hoc XI HA NUC huy dong duoc 45 trieu dong,can mua 1000 doi dep,co L la 60000 dong/doi;co M la 40000 dong/doi.Hoi truong mua duoc bao nhieu doi co L va bao nhieu doi co M ?
3.Quang mang 200000 dong ra mua banh Cu do,banh loai 1 co gia la 15000 dong/goi;banh loai 2 co gia la 20000 dong/goi.Quang can mua 12 goi tat ca.Hoi Quang mua bao nhieu goi loai 1 va bao nhieu goi loai 2 ?
nhanh nha minh tick cho!
mot truong tieu hoc co manh dat hcn.neu tang chieu dai 4m,chieu rong tang them 5m thi dien tich tang them 225m vuong.neu chi co chieu rong tang them 5m thi dien tich tang them150m vuong. tinh dien tich hinh chu nhat ban dau
co 1 ba di ra sieu thi tang thu nhat ba gap 1 cai ban tron , tang thu 2 ba di len di xuong di len di xuong , tang thu 3 ba lai gap 1 cai ban tron .Hoi ba ay di mua cai gi trong sieu thi
co mot manh dat hcn neu tang cr 5m va tang cd 4m thi dien tich tang 250m2 neu chi tang chieu rong them 5m thi dt manh dat tang them 150m2 a.tinh dt manh dat ban dau
b. neu tang ca hai chieu nhu the thi dt manh dat moi la bao nheu?
co mot khach sa nguoi khach no di thang may den tang 34 roi lai di bo den tang 42 hoi tai sao ko di thang may tiep
khi nhan mot so voi 456 ban nam da viet nham so 456 la hoi 654 tang len hay giam di bao nhieu don vi hoi tich dung cua 456 la bao nhieu ban nao co the giup toi giai bai toan lay