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1.	What’s the error? Ramu evaluated the expression – 7 – (-3) and came up with the answer – 10 . What did Ramu do wrong?
Answer» 7 – (-3) = -7 + 3 = -4 But -7 – 3 = -10. ∴ Ramu have done addition in place of subtraction.

What’s the error? Ramu evaluated the expression – 7 – (-3) and came up with the answer – 10 . What did Ramu do wrong?

Answer»

7 – (-3) = -7 + 3 = -4

But -7 – 3 = -10.

∴ Ramu have done addition in place of subtraction.

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