4. Verify the following:
(i) (-14) + 9 = 9 + (-14)
(iii) (-6) + (-8) + 12] = [(-6) + (-8)] + 12
(ii) (-8) + (- 12) = (-12) + (-8)
(iv) [(-9) + (-7)] + (-14) = (-9) + [(-7) + (-14)
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2
Answer:
) [(-6) × (-3)] + (-4)
= (-) × (-) × [6 × 3] + (-4)
= 18 – 4
= 14
(iii) (-10) × [(-13) + (-10)]
= (-10) × (-23)
= (-) × (-) × [10 × 23]
= 230
(iv) (-5) × [(-6) + 5]
= (-5) × (-1)
= (-) × (-) × 5 × 1
= 5
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Answer:
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