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 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? 

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

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

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 ?

1.mot hinh thang co day lon hon day be 12 m va bang 5/3 day be.Chieu cao bang mot nua day lon.Nguoi ta trong rautren thua ruong do cu 1 m2 thi thu duoc 2,5 kg rau.Tinh so rau thu hoach duoc tren thua ruong do.

2.mot manh dat hinh tang vuong co tong do dai hai day la 32m va canh góc vuong bang nua tong 2 day.Nguoi ta da trong cay tren 3/4 manh dat .Tinh dien tich dat con lai.

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 day lon  62,5,day be bang 2/5 day lon .nguoi ta mo rong thu ruong bang cac keo dai day be them 12,4m va day lon them 8 m nen dien tich thua ruong tang them 367.2.tinh dien tich thua ruong hinh thang ban dau