Multiplying and Dividing |
Answers to pre-test |
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1. |
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2. |
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3. |
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4. |
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5. |
| 6. 1 ; { a ¹ -1 , 0 , 1, 5} |
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7. |
| 8. x-2 ; { x ¹ -2 , 0} |
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9. |
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10. |
| 11. - 1 ; {r ¹ -3 , 3 } |
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12. |