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Question
Ramu evaluated the expression –7 – (–3) and came up with the answer –10. What did Ramu do wrong?
Sum
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Solution
–7 – (–3) = –7 + 3 = –4
But –7 – 3 = –10
∴ Ramu have done addition in place of subtraction.
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Chapter 1: Integers - Exercise [Page 20]
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