ban hien lam mot cai hinh hop dang hinh hop chu nhat bang bia co chieu dai 25cm, chieu rong 12cm va chieu cao 10cm. Neu dan giay mau tat ca mat ngoai cua hop do thi ban hien can bao nhieu xang - ti - met vuong giay mau?
ai h minh h lai nha
Ban Hien lam mot cai hop dang hinh hop chu nhat bang bia co chieu dai 25cm, chieu rong 12cm va chieu cao 10cm.
a) Tinh the tich cai hop do .
b) Neu dan giay mau tat ca cac mat ngoai cua hop do thi ban Hien can dung bao nhieu xang-ti-met vuong giay mau?
ban hien lam mot cai hop dang hinh hop chu nhat bang bia co chieu dai 25 cm chieu rong 12 cm va chieu cao 10 cm
a) tinh the tich cai hop do
b)neu dan giay mau tat ca mat ngoai cua hop do thi ban hien can dung bao nhieu xang-ti-met vuong giay mau
ban hien lam mot cai hop dang hinh hop chu nhat bang bia co chieu dai 20cm,chỉ rong 12cmva chieu cao 10cm.
a) tinh the tich cai hop do
b)Neu dan giay mau tat ca cac mat ngoai cua hop do thi ban hien can dung bao nhieu cm vuong giay mau
ban an lam mot cai hop dang hinh lap phuong bang bia co canh 10cm .
tinh the tich cai hop do .
neu dan giay mau tat ca cac mat mat ngoai cua hop do thi ban an can dung bao nhieu xang-ti-met vuong ?
mot cai hop dang hinh hop chu nhat co chieu dai 20 cm , chieu rong 15 va chieu cao 10 cm . ban binh dan giay mau do vao cac mat xung quanh va giay mau vang vao hai mat day cua cai hop do [chi dan mat ngoai] . hoi tinh dien giay mau nao lon hon va lon hon bao nhieu
nguoi ta lam mot cai hop dang hinh hop chu nhat bang bia .biet rang hop do co chieu dai 5dm ,chieu rong 3dm va chieu cao 2dm .hoi co xep duoc bao nhieu hinh lap phuong 1de -xi-met khoi de day cai hop do ?
mot hoc sinh lam mot cai hop bang bia cung co dang hinh hop chu nhat co chieu dai 40cm ,chieu rong 26cm va chieu cao 12cm .tinh dien tich tam bia dunng de lam hop < khonh tinh mep dan >
BAN VINH LAM MOT CAI HOP HINH HOp chu nhat co chieu dai bang 10cm chieu rong 6cm chieu cao 5cm khong co nap va khong co cac met dan.Ban vinh phai dung mieng bia so dien tich bang
ban minh dung bia de lam mot cai hop dang hinh hop chu nhat co chieu dai 14cm chieu rong 10cm chieu cao 8cm tinh dien tich bia dung de lam hop biet dien tich ba lam mep dan la 70cm2
