trung binh cong cua hai so la 42,5 tim hai so do biet rang so be bang 2/3 so lon
trung binh cong cua 2 so 42,5 tim 2 so biet rang so be bang 2/3 so lon
TIM 2 SO BIET RANG TRUNG BINH CONG CUA HAI SO DO BANG 125 VA BIET HIEU CUA CHUNG BANG 32
TIM SO BE VA SO LON
trung binh cong cua hai so la42,5 tim hai so biet rang so be 2/3 so lon
trung binh cong cua 3 so la 4 . Tim ba so do , biet rang so thu hai lon hon so thu nhat la 1,2 va be hon so thu ba la 2,4
1 .trung binh cong cua hai phan so la 5/12 .neu tang phan so thu nhat gap 2 lan thi trung binh cong cua chung bang 2/3 .tim hai phan so do .
2.trung binh cong cua ba phan so la 13 /36 .neu tang phan so thu nhat gap 2 lan thi trung binh cong cua chung bang 19/36 ,cho biet phan so thu hai lon hon phan so thu ba 1 /12. tim ba phan so do .
trung binh cong hai so la 203.7.tim tich hai so do biet rang hieu hai so bang 1/3 so be?
cho hai so biet so lon la 1516 va so nay lon hon trung binh cong cua hai so la 173.tim so be
trung binh cong cua hai so la so tu nhien lon nhat co hai chu so khac nhau.tim hai so do ,biet so be bang 2/5 so lon