1 manh dat hinh cn co chieu dai = 26m chieu rong kem chieu dai 4m tren manh dat do nguoi ta trong rau cu met vuong thu hoach duoc 4kg rau hoi manh dat do thu hoach bao nhieu kg rau

mot manh vuon HSN co chu vi 150 m chieu rong bang 2/3 chieu dai . Nguoi ta trong rau tren manh vuon do  trung binh cu 10m vuong thu hoach duoc 15 kg rau . Hoi thua ruong do thu hoach duoc bao nhieu kg rau

mot manh dat hinh chu nhat co chieu dai 32 met , chieu rong 16 met . nguoi ta trong rau tren manh dat do  cu 3met vuong thu duoc 18 kg rau . hoi tren ca thua ruong do nguoi ta thu hoach duoc bao nhieu kg rau ?

bai 2 tim x

X + 4 / 5 x 15 / 16 = 5/ 2

mot thua ruong hcn co chieu dai 150 m chieu rong bang 2/3 chieu dai trung binh cu 100 m2 thu hoach duoc 60 kg thoc hoi tren ca thua ruong do nguoi ta thu hoach duoc bao nhieu kg tan thoc

Mot khu dat ruong hinh chu nhat co chieu dai 1/5km va chieu rong 1/8km. Tren khu dat do nguoi ta trong lua, trung binh cu 100m2 thi thu hoach duoc 60kg thoc. Hoi tren khu dat do nguoi ta thu hoach duoc bao nhieu tan thoc ?

mot thua ruong hinh chu nhat co chieu dai 80 m , chieu rong 112,5 m . nguoi ta trong thoc tren thua ruong , cu 100 m2 thua hoach duoc 100 kg thoc . hoi cach dong do thu hoach duoc bao nhieu ta thoc ?

mot dam dat hcn co chieu dai 60 m ,chieu rong bang 65 % chieu dai . Tren do nguoi ta cay lua . Cu moi 100 m2 thu hoach duoc 60 kg thoc . Hoi tren thua ruong do nguoi ta thu hoach duoc bao nhieu tan thoc

giai chi tiet ho minh nha . minh tick cho

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 chu vi a 600m, chieu dai gap 3 an chieu rong. tren thua ruong do, nguoi ta trong rau bap cai, moi met vuong thu hoach duoc 5 kg rau bap cai. hoi tren thua ruong do thu hoach duoc bao nhieu ta bap cai