tblackwood65 tblackwood65

25-04-2017
Mathematics

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Help me out please Which of these is an open sentence? 1. 10-2=8 2. 12 + 2=15 3. 3-3=0 4. n-3=7

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Аноним Аноним

25-04-2017

4 ? n-3=7 ? Because , unless you work out what 'n' is, you don't know yet what 'n' stands for?

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