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प्रश्न
Using a number line, evaluate:
(-7) – (-2)
योग
उत्तर
(-7) – (-2)
Mark the points (-7) and (-2) on the same number line, we see that (-2) is 5 units on the left
(-2) -7 – (-2) = -7 + 2 = -5
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Identifying And Formulating Rules for Operations on Numbers.
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