Answer:
22
Step-by-step explanation:
2 + 3 + 8 + 1 + 9 + 10 - 11 +10 = ? can be evaluated from left to right, as follows:
5 + 8 + 1 + 9 + 10 - 11 +10 = ?
13 + 10 - 11 + 10, or
23 - 11 + 10, or
12 + 10, or
