Hanh va Van dinh lam mut deo tu 2,5kg dau.Theo cong thuc,cu 2kg dau thi can 3kg duong.Hanh bao ho can 3,75kg duong, con Van bao can 3,25kg.Theo ban,ai dung vi sao ?
Hanh va Van dinh lam mut deo tu 2,5kg dau.Theo cong thuc,cu 2kg dau thi can 3kg duong.Hanh bao ho can 3,75kg duong, con Van bao can 3,25kg. Theo ban,ai dung vi sao ?
de lam nuoc mo nguoi ta ngam mo theo cong thuc 2kg mo ngam voi 2.5kg duong hoi can bao nhieu kg duong de ngam 5kg mo
lop 7e to chuc nau che de tham gia ngay hoi do nha truong to chuc.Cu 4kg dau den thi can 2,5 kg duong .Hoi phai dung bao nhieu kg duong de nau het 8 kg dau
co 3 doi cong nhan duoc phan cong lam mot con duong,chieu dai moi doi duoc chia ti le voi 2,3,4 Nhung sau do khi tien hanh lam so nguoi cua moi doi thay doi nen chieu dai moi doi duoc chia lai ti le voi 3,5,8 Tim moi phan duoc chia luc dau biet trong canh chia sau co mot phan hon mot phan luc dau la 90m
GIUP MINH VOI
AN VA BINH NHIN LEN BAU TROI THAY TRANG HINH LUOI LIEM. BINH NOI DO LA HIEN TUONG NGUYET THUC, NHUNG AN QUA QUYET LA KHONG PHAI. NEU AN DUNG THI THEO CAC BAN , AN DA CAN CU VAO DAU? VI SAO?
GIUP MINH VOI, AI NHANH MA DUNG THI MINH TICK CHO 3 CAI
Mot don vi cong nhan sua duong du dinh phan chia so met duong cho 3 to theo ti le 5:6:7. Nhung sau do, vi so nguoi thay doi nen da chia lai theo ti le 4:5:6. Do do co 1 to lam nhieu hon du dinh la 10m. Tinh so met duong chia lai cho moi to
HELP
nguoi tho 1 lam 1 dung cu can 12 phut . nguoi tho thu 2 lam 1 dung cu can 8 phut . hoi trong thoi jan nguoi tho thu 1 lam duoc 48 dung cu thi nguoi thu 2 lam dc bao nhieu dung cu
1 don vi cong nhan sua duong du ding phan chia so met duong cho3 to theo ti le 5/6/7 .vi so nguoi thay doi nen da chia lai theo ti le 4/5/6 do do 1to lam nhiau hon du dinh la 10 m duong .tinh so met duong chia lai cho moi to