Q1 of 34 Page 165

Use the principles above, compute the following:


⇒


⇒ = 0


Note: if a fraction and its negative are added then their result is 0.


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Use the principles above, compute the following:

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Use the principles above, compute the following:

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Use the principles above, compute the following:

5 – 10

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Take as x different positive numbers, negative numbers and zero, and compute x + 1, x – 1, 1 – x. Check whether the equations below hold for all numbers.

(1 + x) + (1 – x) = 2