8 Operations
Logic
Level
1
\[\large 1 \; \square \; 2 \; \square \; 3\; \square \; 4\; \square \; 5 \; \square \; 6 \; \square \; 7 \; \square \; 8 \; \square \; 9 = 33\]
Seven of the eight "\(\square\)"s above are filled with "\(+\)", and the other one with "\(-\)".
Before which integer should the "\(-\)" sign be placed to make the equation true?
by
Chung Kevin