Question 28
If the answer is not an integer, give the nearest integer. If the calculated answer has more than five digits, give its last five digits.
$\overline{AB},\overline{CD},\overline{EF},\overline{GH},\overline{IJ}$ are two-digit numbers; different letters denote different digits. Suppose $\overline{AB}-\overline{CD}+\overline{EF}-\overline{GH}+\overline{IJ}$ is odd. What is its greatest possible value?
$\overline{AB},\overline{CD},\overline{EF},\overline{GH},\overline{IJ}$ are two-digit numbers; different letters denote different digits. Suppose $\overline{AB}-\overline{CD}+\overline{EF}-\overline{GH}+\overline{IJ}$ is odd. What is its greatest possible value?