7+5−2= ? 7+5-2=\text{ ?} 7+5−2= ?
First, add 7 and 5 to get 12.
7+5=127 + 5 = 127+5=12
Then, subtract 2 from 12 to get 10.
12−2=1012 - 2 = 1012−2=10
101010