Các câu hỏi tương tự
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 ?
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 ?
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
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
de lat nen mot can phong hinh chu nhat co chieu dai 12 m , chieu rong 8 m , nguoi ta dung gach men hinh vuong co canh 40 cm . hoi can bao nhieu vien gach men de lat nen can phong do
mot can phong hinh chu nhat co chieu dai 8m chieu rong bang 3/4 chieu dai de lat nen can phong do nguoi ta dung gach men hinh vuong co canh 4 dm hoi tinh so vien gach can dung de lat nen can phong do
Mot can phong hinh chu nhat co chieu dai 8m,chieu rong bang 3/4 chieu dai . De lat nen can phong do, nguoi ta dung loai gach men hinh vuong canh 4 dm. Hoincan phong duoc lat bang bao nhieu vien gach men do. ( Phan dien tich mach vua ko dang ke
1) De lat len 1 can phong nguoi ta da dung vua het 150 vien gach hinh vuong co canh 40 cm .hoi can phong do bao nhieu m2 biet S phan mach vua khong dang ke ?
2) De lat nen 1 can phong hinh chu nhat,nguoi ta dung loai gach men hinh vuong co canh 30 cm .hoi can bao nhieu vien gach de lat kin can phong co chieu rong 6 m, chieu dai 9 m? ( S phần mạch vữa không đáng kể )
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 ?