Level:
Project ID:
2010000203
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Insert five numbers between \(15\) and \(57\) such that the resulting sequence is a part of an arithmetic sequence and find the common difference \(d\).
\( d=7\)
\( d=6\)
\( d=12\)
\( d=-7\)