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What helps show which operation to perform when adding?
AThe shapes
BThe signs
CThe sizes
DThe spaces
Answer & Solution
Correct answer: B. The signs
1. Each term carries a plus or minus.
2. They are written under the terms above.
3. The signs written below each term help us in knowing which operation has to be performed.
4. So the answer is the signs.
_Source: NCERT Class 8 Mathematics, Ch 8 'Algebraic Expressions and Identities'_
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