Question 26
In a card game, there are 9 single-digit cards and 4 operation cards as shown.
A player must use 4 digit cards and 3 operation cards. What is the largest whole number which can be made if an operation card must be placed between each of the single-digit cards?

A player must use 4 digit cards and 3 operation cards. What is the largest whole number which can be made if an operation card must be placed between each of the single-digit cards?
