EXERCISE 6.1
[ EVALUATE EXPRESSIONS ]
( evalute the following expressions )
1. 19 + 9 - 3 × 18 × 2 + 15 = ?
2. 2 - 11 × 20 + 9 + 5 = ?
3. 16 + 68 ÷ 4 + 228 ÷ 12 - 8 = ?
4. 16 × 4 × 9 - 18 × 17 = ?
5. 4 ÷ 2 - 12 + 9 + 108 ÷ 18 + 10 + 6 = ?
6. 120 ÷ 15 + 40 ÷ 20 - 72 ÷ 6 - 20 - 40 ÷ 2 - 4 = ?
7. 171 ÷ 9 - 5 - 6 = ?
8. 120 ÷ 6 - 20 - 4 + 9 × 14 - 11 = ?
9. 54 ÷ 9 - 42 ÷ 14 + 14 + 64 ÷ 8 + 204 ÷ 17 + 16 × 2 = ?
10. 14 × 18 × 6 = ?
ANSWERS
1. -65
2. -204
3. 44
4. 270
5. 21
6. -46
7. 8
8. 111
9. 69
10. 1512