Các câu hỏi tương tự
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 vuong co dien tich 85 dm2 va hieu hai day la 3dm neu keo dai day lon them 4 dm nua thi dien tich tang them20 dm2 tinh do dai moi day
mot hinh thang co dien tich 11.3dm2 , day lon la 13.7dm , day be la 8.9dm . neu tang them day lon 4.5dm thi dien tich hinh thang tang them bao nhieu de-xi-met vuong ?
a)Mot hinh tam giac ABC co day BC la 34,5dm. Neu keo dai canh BC ve phia C mot doan bai 7 dm thi dien tich tang them 42 dm2 .Tinh dien tich hinh tam giac ABC.
b)Mot hinh thang co tong hai day la 78dm,day lon bang 7/6 day nho .Chieu cao bang 1/2 day lon .Tinh dien ich hinh thang do
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 hinh thang vuong co dien tich la 85dm vuong va hieu hai day la 3dm neu keo dai day lon them 4 dm nua thi dien tich tang them 20 dm vuong tinh do dai moi day cua hinh thang vuong do
1 manh vuon hinh thang co dien tich la 225.75 m2 do dai canh day nho lam 125 dm va kem canh day lon 18 m neu mo rong day lon them 5.2 m thi dien tich tang them bao nhieu m2
Mot hinh thang co dien tich la 282,1m2 day nho 17dm day lon 28,5dm nguoi ta mo rong day lon cua hinh thang de dien tich hinh thang tang them 37,2dm2 hoi can mo rong day lon them bao nhieu dm
mot hinh thang co do dai day be kem day lon la 5 dm va kem 3 lan day lon. Chieu cao cua hinh thang do la 3,5 dm. Hoi dien tich hinh thang do la bao nhieu dm2