Tong cua hai so tren la :
117x2=234
Theo de bai ta suy ra hoeu la : 100 (vi so 1 o ben trai)
So lon la :
(234+100):2=167
So be la :
167-100=67
Tong cua hai so tren la :
117x2=234
Theo de bai ta suy ra hoeu la : 100 (vi so 1 o ben trai)
So lon la :
(234+100):2=167
So be la :
167-100=67
T rung binh cong cua 2 so tu nhien la 117 tim 2 so do biet rang neu viet them chu so 1 vao ben trai so be thi ta duoc so lon
trung binh cong cua 3 so la 148 . biet rang neu viet them so chu so 0 vao ben phai so thu nhat thi duoc so thu 2 .viet them so 3 vao ben phai so thu nhat thi duoc so thu 3.tim trung binh cong so thu 1 va so 3
trung binh cong cua 2 so tu nhienbang 2375. tim so be biet, neu viet them chu so 3 vao ben trai so be thi ta duoc so lon. tim so be
giai thich cho minh hieu nha
trung binh cong cua hai so la 963. Neu viet them chu so 1 vao ben trai so be ta duoc so lon. Tim so lon
cho 2 so tu nhien co trung binh cong cua 2 so tu nhien = 1485 biet neu viet them chu so 1 vao ben trai so be ta duoc so lon tim so be
trung binh cong 2 so la 963 neu viet them chu so 1 vao ben trai so be ta duoc so lon tim so lon
tong 2 so thap phan la 893.6. hay tim 2 so do biet rang neu viet them chu so 7 vao ben trai phan nguyen cua so be ta duoc so lon ???
trung binh cong cua hai so tu nhien la 343.tim so lon,biet rang neu them chu so 4 vao ben phai so nho thi duoc so lon
trung binh cong cua hai so la 963 neu viet them chu so 1 vao ben trai so be ta duoc so lon tim so lon
P/s:giai thich ro giup minh