nha truong da mua mot so ghe moi thang gia 250000d va mot so ban moi cai gia 400000d het tat ca 3100000d neu nha truong mua so ban dung bang so ghe da mua va mua so ghe dung bang so ghe da mua va mua so ghe dung bang so ban da mua thi phai tra them 300000d nua hoi nha truong mua may cai ban va may cai ghe
gia tien 1 quyen vo mong la 2500 dong , 1 quyen vo day la 4000 dong . co giao da mua mot so vo mong va mot so vo day het 31000 dong . co giao nham tinh rang : neu doi so vo day dung bang so vo mong va doi so vo mong dung bang so vo day da mua thi phai tra them 3000 dong nua . hoi co giao da mua bao nhieu quyen vio moi loai ?
CAC BAN GIAI THICH CHO MINH CAU : neu doi so vo day dung bang so vo mong va doi so vo mong dung bang so vo day da mua thi phai tra them 3000 dong nua . hoi co giao da mua bao nhieu quyen vio moi loai ?
MINH NHAC LAI NHA . CAC BAN GIAI THICH CHO MINH CAU NAY NHA , CHU KHONG PHAI GIAI BAI TOAN
CAU NAY CO NGHIA LA :............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Anh Thai lap 3 cai ghe va cai ban het dung 8 gio .Cung lap 4 cai ghe va 3 cai ban thi chi het 7 gio 15 phut .Hoi anh Thai lap 1 cai ban het bao nhieu thoi gian?
Bav tho moc Lam mot cai ban va 4 cai ghe het 16 gio 30 phut . Hoi trung binh lam mot cai ghe mat bao nhieu thoi gian. Biet rang thoi gian lam mot cai ban bang thoi gian 2 cai ghe
Mot cua hang mua mot so ly , trung binh mua moi cai ly gia 400 dong .cua hang lam be mat 14 cai .so ly con lai ban nhu sau 1/5 gia 300 dong mot cai,2/3 gia 600dong mot cai ,con lai bao nhieu ban 700 dong mot cai .ban xong duoc loi 8200dong.hoi so ly cua hang da mua la bao nhieu
bac tho moc lam 1 bo ban ghe gom 1 cai ban va 4 cai ghe het 16 gio 30 phut. hoi trung binh lam 1 cai ghe het bao nhie thoi gian . biet thoi gian lam mot cai ban banh thoi gian lam 2 cai ghe.
Bac Lan mua mot so qua chung ga va chung vit het tat ca 175000 dong . Gia moi qua chung ga la 3000 dong. gia moi qua chung vit la 2500 dong . Hoi bac Lan bao mua bao nhieu qua chung ga bao nhieu qua chung vit, biet rang neu bac doi lai lay so chung ga bang so trung vit , so chung vit bang so chung ga ban dau thi bac phai tra them 7500 dong
1 nguoi mua 2 cai quat dien , moi cai gia 1000000 dong . Nguoi do ban cai quat thu nhat bi lo 12% so voi tien mua cai quat do .Tuy vay sau khi ban 2 cai quat nguoi do van lai 40000 dong > Hoi nguoi do da ban cai quat thu 2 lai bao nhieu % so voi tien mua quat?
Bai 1 : Mot o to cu di 100km thi tieu thu het 12 lit xang . Neu o to do da di quang duong 50km thi tieu thu het bao nhieu lit xang ?
Bai 2 : Theo du dinh , mot xuong moc phai lam trong 30 ngay , moi ngay dong duoc 12 bo ban ghe thi moi hoan thanh ke hoach . Do cai tien ki thuat nen moi ngay xuong do dong duoc 18 bo ban ghe . Hoi xuong moc lam trong bao nhieu ngay thi hoan thanh ke hoach ?
CAC BAN GIUP MK NHA !
AI LAM NHANH VA DUNG THI MK SE TICK CHO