co ba nguoi lam chung mot cong viec. neu lam mot minh thi nguoi thu nhat lam mat 3 gio, nguoi thu 2 lam mat 6 gio, nguoi thu 3 lam mat 8 gio. hoi neu 3 nguoi cung lam thi bao lau moi xong cong viec?
Ba nguoi cung lam mot cong viec . Neu lam rieng, nguoi thu nhat phai mat 5 gio, nguoi thu hai phai mat 4 gio va nguoi th ba mat 6 gio . Neu lam chung thi moi gio ca ba nguoi lam duoc may phan cong viec?
Hai nguoi cung lam mot cong viec.Neu lam rieng, nguoi thu nhat phai mat 4h,nguoi thu hai phai mat 3h.Hoi neu lam chung thi moi gio ca hai nguoi lam duoc may phan cong viec?
Hai nguoi cung lam mot cong viec. Neu lam rieng nguoi thu nhat phai mat bon gio nguoi thu hai phai mat ba gio . hoi neu lam ching thi moi gio ca hai nguoi lam may phan cong viec
Cac bn nao biet nho tra loi nha minh ra ket qua roi do
hai nguoi cung lam mot cong viec sau 3h xong. Neu nguoi thu nhat lam mot minh thi mat 4h . Hoi neu nguoi thu hai lam mot minh thi het thoi gian bao lau xong ?
BT: Cung 1 cong viec neu moi nguoi lam rieng thi 3 nguoi A , B , C hoan thanh cong viec trong thoi gian lan luot la : 6 gio, 8gio, 12 gio. 2 nguoi B va C lam chung trong 2 gio sau do nguoi C chuyen di lam viec khac , A cung voi B tiep tuc hoan thanh cong viec cho den xong . Hoi A lam trong may gio?
hai nguoi lam chung 1cong viec .neu nguoi thu nhat lam mot minh thi 16gio xong.nguoi thu 2 lam 1 minh thi 24gio moi xong .dau tien nguoi thu nhat lam 1thoi gian roi giao chao nguoi thu 2 lam not.tong thoi gian 2 nguoi lam la 19 h.
hoi thoi gian moi nguoi lam viec
tong so tien cong la 32000d .hoi moi nguoi nhan duoc bao nhieu tien
cung 1 cong viec neu moi nguoi lam rieng thi 3 nguoi a, b, c hoan thanh cong viec trong thoi giân lan luot la 6 gio, 8 gio, 12 gio. hai nguoi b va c lam chung trong 2 gio sau do nguoi c chuyen di lam viec khac , nguoi a cung lam voi nguoi b tiep tuc cong viec cho den khi hoan thanh hoi nguoi a lam trong may gio
Ba nguoi lam chung mot cong viec . neu lam rieng , nguoi thu nhat mat 4 gio , nguoi thu 2 mat 3 gio , nguoi thu 3 mat 6 gio .Hoi neu lam chung ca ba nguoi lam trong may gio