Các câu hỏi tương tự
De lat can phong hinh chu nhat,nguoi ta dung loai gach men hinh vuong co canh 30 cm.Hoi can bao nhiu vien gach de lat kin nen can phong do,biet rang can phong do co chieu rong 6m,chieu dai 9m?(Dien tich phan mach vua khong dang ke)
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 de lat kin can phong do,biet gia tien 1m vuong gach men la 90 000 dong?
de lat nen mot can phong hinh chu nhat nguoi ta dung loai gach men hinh vuong co canh30cm hoi:can bao nhieu vien ganh de lat kinh nen can phong do biet rang can phong co chieu rong 6m chieu dai 9m dien tich phan mach vua khong dang ke
De lat nen mot can phong hinh chu nhat,nguoi ta dung mot loai gach men hinh vuong co canh30cm.Hoican bao nhieu vien gach de lat kin can phong do,biet rang can phong do co chieu rong6m,chieu dai 9m.biet rang dien tich mach vua khong dan ke
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 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
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 )
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 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 ?