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Can you find the sum [5.5+ (-2.3)] + (-5.5+2.3) without performing any additions?
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Can you find the sum [5.5+ (-2.3)] + (-5.5+2.3) without performing any additions?

User Jat
by
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1 Answer

6 votes
Yes
[5.5+(-2.3)] can be rearranged to be 5.5-2.3. It will be 3.2
(-5.5+2.3) can be rearranged to be 2.3-5.5. It will be -3.2
3.2-3.2=0
User Claustrofob
by
8.1k points
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