A. Simplify each of the following: (Practice set)
1. 3 - (5 – 6 ÷ 3)
2. – 25 + 14 ÷ (5 - 3)
3. 25 – 1/2{5 + 4 - (3 + 2 – 1 + 3)}
4. 27 - [38 - {46 - (15 - 13 - 2)}]
5. 36 - [18 - {14 - (15 – 4 ÷ 2 x 2)}]
6. 45 - [38 - {60 ÷ 3 – (6 - 9 ÷ 3) ÷ 3}]
7. 23 - [23 - {23 - (23 - 23 - 23)}]
8. 2550 - [51 0 - {270 - (90 - 80 + 70)}]
9. 4 + (1/5) [{-10 x (25 - 13 - 3)} ÷ (-5)]
10. 22 - (1/4) {-5 - (- 48) ÷ (-16)}
11. 63 - (-3) {-2 - 8 - 3} ÷ 3{5 + (-2) (-1)}
12. [29 - (-2) {6 - (7 - 3)}] ÷ [3 x {5 + (-3) x (-2)}]
Answers:
1. 0
2. -18
3. 21
4. 31
5. 21
6. 26
7. 0
8. 2370
9. 10
10. 24
11. 62
12. 1
Good
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