Các câu hỏi tương tự
Nguoi ta dung gach hinh vuong canh 40cm de lat nen can phong nay .Hoi phai mua it nhat bao nhieu thung gach, biet thung co 25 vien gach
Nen mot canphong hinh chu nhat co chu vi 32m chieu dai gap 3lan chieu rong
a/dien tich nen can phong nay.
b nguoi ta dung gach hinh vuong 40 cm de lat nen can phong nay .hoi phai mua it nhat bao nhieu thng gach,biet moi thung co 25 vien gach?
de lat nen mot can phong hinh chu nhat nguoi ta dung loai gach men hinh vuong canh 80cm . Hoi phai can bao nhieu vien gach de lat kin can phong do , biet rang can phong co chieu dai 9m, chieu rong 5m
mot can phong hinh chu nhat co chieu dai 9m, chieu rong bang 3/5 chieu dai . nguoi ta dung nhung vien gach hinh vuongco canh 30cm de lat nen can phong do , moi vien gach con gia 45000 dong va tien cong de lat nen la 30000 dong /m vuong . hoi tien mua gach va cong lat nen cua can phong do la bao nhieu dong ?
nguoi ta dung gach men de lat nen 1 can phong hinh chu nhat co chieu dai 8m chieu rong 6m hoi can bao nhieu tien mua gach de lat nen biet gia tien 1met vuong la 90.000d
Mot can phong hinh chu nhat co chieu dai 8m, chieu rong bang 3/4 chieu dai. De lat kin nen can phong do nguoi ta dung loai gach men hinh vuong canh 4 dm
a) Hoi de lat kin can phong do can bao nhieu vien gach?
b) Biet rang de lat 1m vuong gach men het 75 000 dong. Vay de lat het can phong do thi het bao nhieu tien ?
de lat 1 can phong co chieu dai 20m , chieu rong 8m , nguoi ta dung loai gach men hinh vuong canh 40cm . hoi can bao nhieu ven gach de lat kin nen can phong do ? ( dien tich mach vua ko dàng ke )
Mot can phong hinh chu nhat co chieu dai 12m chieu rong bang 2/3 chieu dai nguoi ta dung loai gach men hinh vuong co canh 20 cm de lat kin can phong do hoi can bao nhieu vien gach de lat kin can phong do
mot can phong hinh chu nhat co chieu dai 8 m va bang 4/3 chieu rong nguoi ta dung loai gach men hinh vuong co canh 20 cm de lat kin nen phong do hoi can bao nhieu vien gach de lat ?