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hai may cay cung lam viec trong 16 gio thi cay xong thua ruong.neu 2 may cay cung lam viec trong 12 gio tren thua ruong ay thi phan ruong con laii, may 2 phai lam viec trong 6 gio moi xong. neu lam mot minh thi moi may mat bao lau de xong cong viec
hai ban An va binh cung lam mot cong viec. Neu lam việc rieng thi an lam xong trong 6 gio, con binh lam xong trong 8 gio. Neu ca hai ban cung lamthi trong mot gio se lam may phan cua cong viec do.
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?
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?
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?
1) Cung mot cong viec neu moi nguoi lam rieng thi ba nguoi A,B,C hoan thanh
cong viec trong thoi gian lan luot la 6 gio, 8 gio va 12 gio .Hai 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 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
Cung mot cong viec neu moi nguoi lam rieng thi ba nguoi A,B,C hoan thanh
cong viec trong thoi gian lan luot la 6 gio, 8 gio va 12 gio .Hai 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 ?
ai làm được bài này mình bái làm sư phụ
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?