Problema Solution
Four numbers between 1 and 9 have a sum of 23. What are the 4 numbers. Numbers can be used only once.
Answer provided by our tutors
1 + 6 + 7 + 9 = 23
3 + 5 + 6 + 9 = 23
3 + 5 + 7 + 8 = 23
4 + 5 + 6 + 8 = 23
and so on
Algebrator