Lê Quốc Trần Anh Coordinator
26/07/2018 at 01:42-
Tôn Thất Khắc Trịnh 29/07/2018 at 01:37
Think of these numbers as points on a number line.
Between b and e, there would be exactly 3 equal segments.
So each of those segment would be \(\dfrac{10-5.5}{3}=1.5\)
Therefore a would be \(5.5-1.5=4\)