Answer: 41
The answer is 41.
Explanation:
1+2[(3+1)5}
First you have to do what is inside the parenthesis to 3+1.
1+2[4x5]
Then you multiply 4 x 5 which equals 20.
so, 1+2x20
Then multiplication come first so 20 x 2 = 40.
1+40
Lastly, you add 40 + 1 = 41.