Question

500+6(3+1)+(8-5)3-2(5+4)

Answer 1

500+6=506. 3+1=4. 8-5=3. 3-2=1. 5+4=9 506+4+3+1+9=523

Answer 2

500 + 6(3+1)+(8-5)3-2(5+4)
500 + 18 + 6 + 3.3 - 10 - 8
518 + 6 + 9 -10 - 8
518 + 15 - 10 - 8
533 - 10 - 8
515 .