B. Evaluate the following expressions. Write your answers on your answer sheet.
1) 15 + 3 - 7 =
2) 8 + 8 + 4 =
3) 75 5 + 9 =
4) 20 - 4 + 6 x 3 =
5) 6+ 3 + 10 × 3 = 8​