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Can you solve 5.5 plus (-2.3) plus (-5.5 plus 2.3) without performing any additions?
Wiki User
∙ 6y ago
If you know that the associative property of addition means that the terms can be added in any order and that a number and its additive inverse equals zero, you can see that the terms cancel each other out and the whole thing equals zero, but I think that mental addition still qualifies as addition.
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoYes, the answer is 0.
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