Q. 1205.0( 2 Votes )

What’s the Err

Class 7th NCERT - Exemplar Mathematics 1. Integers

Answer :

Let us solve the expression for Ramu.

We have, -7 – (-3) = -7 + 3 [∵ minus & minuns = plus]

⇒ -7 – (-3) = -4 [∵ 7 is the greatest amongst 7 and 3, so the sign before 7 will be considered in the result]

The answer is coming out to be -4 while what Ramu did was add -7 and -3 and neglected a minus sign in-between -7 and -3.

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