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प्रश्न
Find the value of 7 – (–10) using number line
योग
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उत्तर
We start at zero facing positive direction.
Move 7 units forward to represent (+7).
Then turn towards the negative side and move 10 units backwards.
We reach +17
∴ 1 – (–10) = +17
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अध्याय 1: Number System - Exercise 1.2 [पृष्ठ १४]
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