P
princessbexinh


1/ Hai be nuoc hinh hop chu nhat co dien tich day bang nhau. Biết hieu the tich nuoc trong 2 be la 1,8m^3. Hieu chieu cao nuoc trong hai be la 0,6m. Tinh dienh tich day cua moi be?
2/Hai canh cua mot tam giac dai 25cm va 36cm. Tong do dai hai duong cao la 48,8cm. Tinh do dai moi duong cao?|-)
3/Mot xe o to chay tu A den B gom 3 chang duong dai khac nhau. Van toc di tren moi chang duong lan luot la 72 km/h, 60km/h, 40km/h. Biet tong thoi gian xe chay tu A den B la 4gio. Tinh quang duong AB?|-):|o=>
2/Hai canh cua mot tam giac dai 25cm va 36cm. Tong do dai hai duong cao la 48,8cm. Tinh do dai moi duong cao?|-)
3/Mot xe o to chay tu A den B gom 3 chang duong dai khac nhau. Van toc di tren moi chang duong lan luot la 72 km/h, 60km/h, 40km/h. Biet tong thoi gian xe chay tu A den B la 4gio. Tinh quang duong AB?|-):|o=>