1 thua ruong hinh tang co day nho la 18,6m , day lon bang 4/3 day nho . Neu keo dai day lon them, 5 m thi dien tich tang them , 22,5 m2
a) Tinh dien tich thua ruong do
b) Vu vua qua ngoi ta cay tren thuc ruong do, cu 100m2 thu duoc 65,5km lua , Hay tinh xem vu vua qua tren thua ruong nguoi ta thu duoc bao nhieu ta thoc
thua ruong hinh tang co day nho 18,6 m, day lon bang 4/3 day nho. Neus kéo dài day lon them 5 m thi dien tich tang them 22,5 m
a)Tinhdien tich thua ruong do.
b)Vụ vua qua nguoi ta cay lua tren thua ruong do, cua 100m2 thu duoc 65,5 kglua. Hay tinh xem vu vua qua tren thua ruong do thu duoc bai nhieu ta thoc
mot thua ruong hinh thang co trung binh cong hai day la 301,5m. neu tang day lon them 5,6m thi dien tich thua ruong tang them 336m2
a) tinh dien tich thua ruong hinh thang bang don vi do dam2?
b) cu 300m2 thu duoc 22,5 tan thoc . tinh xem tren ca thua ruong thu hoach duoc bao nhieu kg thoc?
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 thua ruong hinh thang co day lon dai 52m, day be bang 45% day lon. chieu cao bang trung binh cong cua hai day.
a. tinh dien tich cua thua ruong do.
b. nguoi ta cay lua tren thua ruong, trung binh cu 100 m vuong thu hoach duoc 70 kg thoc. hoi ca thua ruong thu hoach duoc bao nhieu ta thoc.
Mot thua ruong hinh thang co do ai day nho la 15 m,day lon bang 160 % day nho.Chieu cao bang hieu giua day lon va day nho .Hoi:
a)Dien tich cua thua ruong do bang bao nhieu met vuong?
b)Khoi luong thoc thu duoc tren thua ruong do la bao nhieu ta,biet rang cu 10m2 thi thu duoc 12kg thoc ?
mot thua ruong hinh thang co tung binh cong hai canh la 301,5m neu tang day lon them 5,6m thi dien tich tang them 336m vuong.Hoi
a)tich dien tich thua ruong hinh thang dang don vi dam vuong
b)cu 300m vuong thu hoach duoc 22,5 tan thoc tinh xem tren ca thua rong th hoach duoc may kg thoc
mot thua ruong hinh thang co trung binh cong 2 day la 301,5m2 .Neu tang day lon them 5,6m2 thi dien tich se tang them 336m2 .
a)tinh dien tich thua ruong hinh thang bang dam2
b)cu 300m2 thu hoach duoc 22,5 tan thoc .Tinh xem tren ca thua ruong do thu hoach duoc bao nhieu ki-lo-gam thoc ?
Mot thua ruong hinh thang co tong hai day la190m,neu tang do dai day them 42m thi nhan thay dien tich tang them 672m2.Tinh
A.Dien tich thua ruong luc dau
B.Sau khi tang do dai day,nguoi ta trong dau tren ca thua ruong nay va thay cu 8m2 thi thu hoach duoc 5kg dau.Hoi ho thu hoach duoc bao nhieu kg dau
mot thua ruong hinh thang co day be 42m day lon bang 7/3 day nho nguoi ta keo dai day len ve mot phia them 6m nen dien tich tang them 108m2 tinh dien tich thua ruong sau khi keo dai them day lon
