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12-12-2018
Mathematics

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Estimate the sum or difference of 23/40 11/30

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Аноним Аноним

12-12-2018

23/40+11/30=68/120+44/120=110/120=11/12

23/40-11/30=68/120-44/120=24/120=6/30=2/10=0,2

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