Thua ruong thu nhat co canh 24 m . Thua ruong thu hai HCN co CR 2/3 CD va CD chung voi canh thua ruong HV . Tinh hieu P cua 2 thua ruong tren
mot thua ruong hcn co chieu dai hon chieu rong la 8 m . neu tang ca chieu dai va chieu rong moi chieu them 4 m thi s thua ruong se tang them 248 m vuong . tinh s thua ruong ay ?
một thửa ruộng hcn có cd hơn cr la 8m neu tang ca cd va cr la 4m thi s thua ruong se tang 248 m
1 thua ruong HCN co CR kem CD 25m va bang 3/4 CD nguoi ta cay tren thua ruong do , cu 100m2 thu duoc 60kg thoc . hoi thu duoc may ta thoc
Thua dat h.c.n co cd 40m,cr =3/4cd .tinh dien tich thua ruong?
Cung bot o cd va cr ?m de duoc h.c.n moico dien tich =1/2 dien tich ban dau?
1 hcn cocd gap 3/2 cr keo dai cd them 1/6 cd va keo dai cr them 1/4 cr thi duoc 1 hcn co s moi hon s cu la 132m tinh s hcn ban dau
Thua ruong hinh thzng co day lon la 21m va lon hon day be 8,2m.neu mo rong day lon them 7m thi S tng them 56m2.tinh S cua thua ruong
1 thua ruong hinh vuong va 1 hinh chu nhat co chu vi la 160 m chieu rong bang 3/4 canh hinh vuong hoi
a,tinh s moi thua ruong do
b, neu moi a thu hoach duoc 60 kg thoc thi so toc tren thua ruong nao nhieu hon va nhieu hon bao nhieu
mot thua ruong hinh chu nhat co chieu dai hon chieu rong la 8 m .Neu tang ca chieu dai chieu rong moi chieu them 4 m thi dien tich thua ruong se tang them 248 m2 tinh dien tich thua ruong ay
