A. Evaluate each expression, then encircle the correct answer.
1. 54 - + 18 – 9 ( 57 55 53)
2. 72 – 10 x 6 + 8 (868 380 20)
3. 34 + 8 – 6 3 (40 22 12)
4. 450 9 – 8 x 4 (168 20 18)
5. 78 – 24 6 x 2 + 13 (83 57 13)
6. 42 7 x (15 - 6) + 15 (69 99 144)
7. – 7 + x 10 (28 40 190)
8. 9 + 9 + () x 4 (130 138 132)
9. 3 + [ 6 ( 11 + 1 – 4 ) ] 8 x 2 (14 12 15)
10. (-6) + (-8) x 9 – (-3) + 75 (0 1 75)