Following the laws of mathematics, in this case the division will be done first, then the multiplication and then the addition.
8 ÷ 2 + 3 x 5 = 19
2 times the Square root of 3 + 4
-1
the answer to that is 5.5
18
1260
12 divided by 4 plus 2 times 3 = 9
15
4 divided by 2 is 2 - 1 is 1 x 3 is 3 plus 4 is 7
2 times the Square root of 3 + 4
-1
71.5
17.5
the answer to that is 5.5
18
1260
1.00000000075
The answer is 8.