A18B15C21D17Answer: A. 18 Read Explanation: 7+(4+3of4−(5+3−3))7+(4+3of4-(5+3-3))7+(4+3of4−(5+3−3))7+(4+3of4−5)7+(4+3of4-5)7+(4+3of4−5)7+(4+12−5)7+(4+12-5)7+(4+12−5)7+(16−5)7+(16-5)7+(16−5)7+11=187+11=187+11=18 Read more in App
