Các câu hỏi tương tự
trung binh cong cua hai so la 87,25.biet so be gap 2 lan hieu hai so.tim so lon
trung binh cong cua 2 so la 87.5 biet so be gap 2 lan hieu 2 so tim so lon
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 .
tim hieu cua hai so biet so lon gap 4 lan so be va biet khi cong hai so do voi tong cua chung thi bang 480 hieu cua hai so do la bao nhieu
trung binh cong cua hai so la 60. Neu bot di o so lon 15 don vi thi ta duoc so moi gap 2 lan so be. Tim so be.
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 la 96. Neu bot so lon 12 don vi thi ta duoc so moi gap 3 lan so be. Tim so be
trung binh cong cua hai so la 42,5 .tim hai so biet rang so be bang 2/3 so lon
cho hai so biet so lon la 1516 va so nay lon hon trung binh cong cua hai so la 173.tim so be