Các câu hỏi tương tự
co mot manh dat hcn neu tang cr 5m va tang cd 4m thi dien tich tang 250m2 neu chi tang chieu rong them 5m thi dt manh dat tang them 150m2 a.tinh dt manh dat ban dau
b. neu tang ca hai chieu nhu the thi dt manh dat moi la bao nheu?
Mot khu vuon HCN , neu doi CR thanh 5m,CD giu nguyen thi DT giam 600m2 . Nhung neu doi CR thanh 7m va giu nguyen CD thi DT giam 540m2.Tinh chu vi va dien tich HCN do??
mot manh vuon hcn co chieu dai gap 3 lan chieu rong . neu tang chieu rong them 2m va giu nguyen chieu rong thi dien tich tang them 66 met vuong. tinh dien tich manh vuon do
tinh s hinh chu nhat bet neu tang chieu dai hcn do them 7cm va gỉ nguyen chieu dong thi dien tich tang them 119met vuong va neu giu nguyen chieu dai va giam chieu dong di 3 cm thi s giam di 84 cm met vuong
Mot hinh chu nhat co chieu dai gap ruoi chieu rong neu tang cd va cr them 2cm thi dien tich tang them 18m vuong tim s hcn ban dau
nua chu vi hcn la 14cm ,neu tang them moi canh7 cm thi cr =5/9 cd .tinh do dai moi canh cua hcn do?
mot hcn co cr bang 3/5 cd biet neu tang cr 6 m thi hcn do tro thanh hinh vuong tinh chu vi hcn do?
HCN co chu vi 56 cm neu tang chieu dai them 2 cm va giu nguyen chieu rong thi CVHCN moi lA
mot khu dat hcn co chu vi bang 102 neu tang chieu rong 6m va giu nguyen chieu dai thi dien tich khu dat tang 216m vuong tinh dien tich ban dau cua khu dat la ...