S thua ruong la:
[480:2:(3+5)x3]x[480:2:(3+5)x5)=13500m2=1.35ha
ca thua ruong thu duoc la:
1.35:2x114=76.96ta=7.696tan
dap so
a)1.355ha
b)7.696tan thoc
mot thua ruong hinh chu nhat co chu vi la 480m,chieu rong bang 3/5 chieu dai .nguoi ta trong lua tren thua ruong do ,cu 2ha thi thi duoc 124 ta thoc .hoi tren ca thua ruong thu duoc bao nhieu tan thoc?
mot thua ruong hinh chua nhat co chu 25om, chieu rong bang 2 phan 3 chieu dai. trung binh cu 100mvuong cua thua ruong do thu hoach duoc 65kg thoc. hoi tren ca thua ruong do nguoi ta thu hoach duoc bao nhieu tan thoc
Mot thua ruong hinh chu nhat co chu vi 540m, chieu rong bang 4/5 chieu dai. Nguoi ta trong lua tren thua ruong do, trung binh cu 100m2 thu hoach duoc 50kg thoc. Hoi tren thua ruong do nguoi ta thu hoach duoc bao nhieu tan thoc ?
mot thua ruong hinh chu nhat co chu vi la 1100m chieu rong bang 4/7 chieu dai hoi ca thua ruong nay thu hoach duoc bao nhieu tan thoc [biet rang tren thua ruong do trung binh cu 100 m2 thu hoach duoc 6 kg thoc ?
mot thua ruong hinh chu nhat co chieu dai 120m,chieu rong bang 3/8 chieu dai .Trung binh cu 100m vuong cua thua ruong thu duoc 80kg thoc . Hoi tren ca thua ruong thu duoc bao nhieu tan thoc?
Mot thua ruong hinh chu nhat co chieu dai 150m,chieu rong bang 2/3 chieu dai .Trung binh cu 100 m2 cua thua ruong do thu duoc 60 kg thoc.
Hoi tren ca thua ruong do nguoi ta thu duoc bao nhieu tan thoc?
mot thua ruong hinh chu nhat co chieu rong bang 3\7 chieu dai va rong kem chieu dai 360m
a, tinh chu vi va dien tich cua thua ruong hinh chu nhat do .
b,Biet rang cu 1m2 thua ruong nguoi ta thu hoach duoc 7kg thoc. Hoi tren thua ruong do,nguoi ta thu hoach duoc bao nhieu ta thoc?
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mot thua ruong hinh chu nhat co chieu rong 60m, chieu dai bang 5/3 chieu rong
a, tinh dien tich thua ruong do
b, biet rang,trung binh cu 50 m vuong thu hoach duoc 30 kg thoc . hoi tren ca thua ruong thu hoach duoc bao nhieu ta thoc
trung bin\mot thua ruong hinh chu nhat co chu vi la 250 m chieu rong bang 2/3 chieu dai trung binh cu 100m2 cua thua ruong do thu duoc 65kg thoc hoi tren thua ruong do co bao nhieu tan thoc
