7. Without rearranging the digits on the left side of the equation, insert two "+" signs between them so that the equation $8789924=1010$ becomes true.
7. To narrow down the search options, it should be based on the fact that the sum of the units of each number should give a ten. Example solution: $87+899+24=1010$.

Answer: $87+899+24=1010$.

## TWENTY-THIRD