1 thua ruong co day lon 85m,day nho bang 8 day lon,chieu cao bang trung binh cong hai day.a,tinh dien tich thua ruong do.b,nguoi ta cay lua tren thua ruong cu 100 met vuong thu hoach dc70kg thoc.hoi ca thua ruong thu hoach dc bn tan thoc
mot thua ruong hinh chu nhat co chieu dai 120m, chieu rong bang 2 phan 5 chieu dai.
a. tinh dien tich thua ruong.
b. tren tha ruong nguoi ta trong lua, biet rang cu 100m vuong thi thu hoach duoc 60kg. hoi nguoi ta thu hoach duoc tat ca bao nhieu tan thoc tren thua ruong do.
tren 1 thua ruong hinh chu nhat co dien tich la 120m2 .Nguoi ta su dung 1 nua dien tich de trong lua ,phan con lai trong ngo hoi:
a,dien tich dat trong lua bang bao nhieu m2 ?
b,neu cu 1m2 thi thu hoach duoc 10 kg thoc voi dien tich trong lua nhu tren hinh nguoi ta thu hoach duoc bao nhieu kg lua?
mot thua ruong hinh chu nhat co chieu dai 80m,chieu rong bang 1/2 chieu dai.
a)Tinh dien tich thua ruong do
b)Biet rang cu 100m2 thu hoach duoc 50 kg thoc.Hoi tren ca thua ruong do nguoi ta thu hoach duoc bao nhieu ta thoc?
mot thua ruong hinh chu nhat co chieu rong 600m,chieu dai gap 3 lan chieu rong
a] HOI dien tich thua ruong do duoc bao nhieu hec ta
b] nguoi ta cay lua tren thua ruong , biet rang cu 100 met vuong thu hoach duoc 62 kg thoc . hoi tren ca thua ruong thu hoach duoc bao nhieu tan thoc
mot thua ruong hinh chu nhat co chieu rong 600m,chieu dai gap 3 lan chieu rong
a] HOI dien tich thua ruong do duoc bao nhieu hec ta
b] nguoi ta cay lua tren thua ruong , biet rang cu 100 met vuong thu hoach duoc 62 kg thoc . hoi tren ca thua ruong thu hoach duoc bao nhieu tan thoc
Môt thua ruong hinh chu nhat co chieu rong la 60m bang 2/3 chieu dai.
a) Tinh dien tich cua thua ruong.
b) Nguoi ta thu hoach duoc bao nhieu ta thoc tren thua ruong do,biet rang cu 100m2 thi thu hoach duoc 75kg
mot thua ruong hinh chu nhat co chieu dai 80 c,m ,chieu rong bang 1/2 chieu dai .
a]tinh dien tich thua ruong do .
b]biet rang ,cu 100 m2 thu hoach duoc 50 kg thoc . hoi tren ca thua ruong do nguoi ta thu hoach duoc bao nhieu ta thoc?
mot thua ruong hinh chu nhat co chieu dai 80 m chieu rong bang 1/2 chieu dai a tinh dien tich thua ruong do
b biet rang cu 100m vuong thu hoach duoc 50 kg thoc hoai tren ca thua ruong do nguoi ta thu hoach duoc bao nhieu ta thoc