cau co the ghi ho to cach giai khong
cau co the ghi ho to cach giai khong
TBC cua 3 so la 680. So thu 3 gap ruoi so thu 2. so thu nhat bang60% SO THU 3.TIM SO THU NHAT
trung binh cong cua ba so la 180.so thu nhat gap ruoi so thu hai va bang 3/5 so thu ba. tim so thu ba
trung binh cua 3 so la 522. so thu ba gap ruoi so thu 2 . so thu nhat bang 75 phan tram so thu 3. tim so thu 3
trung binh cong cua 3 so la 680.So thu 3 gap ruoi son thu 2,so thu nhat bang 60% so thu 3
tim so thu nhat
trung binh cong cua 3 so la 680. so thu ba gap ruoi so thu hai so thu nhat bang 60% so thu ba tim so thu nhat
trung binh cong cua 3 so la 522 so thu ba gap ruoi so thu hai so nhu nhat bang 75% so thu 3 tim so thu 3
1. tbc cua 3 so la 19/60 .neu gap so thu nhat len 4 lan thi tbc cua chung se la 13/20 .tim 3 so , biet so thu hai hon so thu ba 1/6
2. trong mot phep tru co tong so bi tru ,so tru va hieu la 1998.biet hieu so bang 4/5 so tru .hay tim so bi tru va so tru , hieu
trung binh cong cua 3 so la 680.So thu ba gap ruoi so thu hai,so thu nhat bang 60% so thu ba .Tim so thu nhat
trung binh cong cua 3 so la 52 so thu 3 = tbc cua so thu nhat va so thu 2 so thu nhat hon so thu 2 la 24 tim so thu nhat