Các câu hỏi tương tự
mot hinh thang co dien tich la 191,76cm2. neu mo rong day be 4cm thi dien tich tang them 20,4 cm2 . tinh moi day cua hinh thang biet day be kem day lon 9,6 cm
Bai 1 :Mot thua ruong hinh thangco trung binh cong hai day la 301,5 m . Neu tang day lon them 5,6 m thi dien tich thua ruong tang them 336 m2 a}tinh dien tich thua ruong hinh thang bang don vi dam2b}Cu 300 m2 thu duoc 22,5 tan thoc . Tinh xem tren ca thua ruong thu hoach duoc bao nhieu kilogam thoc ?Bai 2 : Mot hinh thang co dien tich 3780 m2 va chieu cao 45 m . Day be bang 3/5 day lon . Tinh moi day cua hinh thang ?Bai 3:Mot khu ruong hinh thang co chieu cao 50 m . Day lon 145 m ; day be 95 m ....
Đọc tiếp
Bai 1 :Mot thua ruong hinh thangco trung binh cong hai day la 301,5 m . Neu tang day lon them 5,6 m thi dien tich thua ruong tang them 336 m2
a}tinh dien tich thua ruong hinh thang bang don vi dam2
b}Cu 300 m2 thu duoc 22,5 tan thoc . Tinh xem tren ca thua ruong thu hoach duoc bao nhieu kilogam thoc ?
Bai 2 : Mot hinh thang co dien tich 3780 m2 va chieu cao 45 m . Day be bang 3/5 day lon . Tinh moi day cua hinh thang ?
Bai 3:Mot khu ruong hinh thang co chieu cao 50 m . Day lon 145 m ; day be 95 m . Moi met vuong thu hoach duoc 1,74 kg thoc . Hoi nguoi ta thu hoach duoc bao nhieu tan thoc tren thua ruong ay ?
Bai 4: Mot hinh thang co chieu cao 34 dm . Day lon gap doi day be . Dien tich hinh thang bang dien tich 1 hinh chu nhat chieu dai 68 dm ; chieu rong 30 dm . Tinh do daii moi day hinh thang ?
Bai 5 : Mot hinh thang co day lon 60 cm ; day be 38 cm . Neu keo dai day lon them 20 cm va day be 12 cm ve cung mot phia thi dien tich se tang them 512 cm2 . Tinh dien tich hinh thang luc dau ?
Bai 6:Mot hinh thang vuong co dien tich 85 dm2 va hieu 2 day la 3 dm . Neu keo dai day lon them 4 dm nua thi dien tich tang them 20 dm2 . Tinh do dai moi day cua hinh thang vuong do ?
giai han ra nha minh cho moi bai 100 mk nha tong cong se la 600 mk do nha ! ai giai xong ket ban luon voi minh nha ! thanks!
Mot hinh thang co day be la 19 cm va bang 1/2 day lon. Neu mo rong day lon them 4,5 cm thi dien tich tang them 27 cm2. Tinh dien tich hinh thang ban dau.
giai bai toan 1 hinh thang co day be bang 54 cm day lon 96 cm neu keo dai day lon them 10 cm thi dien tich tang len 80 cm2 tinh dien tich hinh thang
mot hinh thang co dien tich 845 cm2 neu mo rong day be them 13 cm thi duoc HCN , biet chieu cao = 26 cm .Tinh day be , day lon
mot thua ruong hinh thang co dien tich la 228m2 day lon hon day be 14.2 m2 hay tinh day lon biet rang neu tang day be them 4 cm thi dien tich thua ruong tang 18 cm
1 hinh thang co dien tich 94,5 cm2 , day lon la 13,6 cm , day be la 7,4 cm , neu tang them day lon la 4,2 cm thi dien tich hinh thang
tang bao nhieu lan?
mot thua ruong hinh thang co dien tich la 361.8m2 , day lon hon day be la 13.5m.Hay tinh do dai moi day, biet rang neu tang day lon them 5.6m thi dien tich thua ruong tang them 336m2
mot manh dat hinh thang co dien tich la107,5 m2.Sau khi mo rong day nho 3 m,day lon 5 m thi dien tich manh dat tang them 43 m2.Tinh do dai moi day manh dat,biet day lon hon day be la 4 m