(12 1/3 - 7 3/4)×6/11. Created by диа99. matematika-ru

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October 2021 1 10 Report

(12 1/3 - 7 3/4)×6/11

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Galinka23

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(12 1/3 - 7 3/4)×6/11= 2 1/2
1) 2 1/3 - 7 3/4 = 37/3 - 31/4 =(37 × 4 - 31 × 3)/12 = 148/12 - 93/12 = 55/12 = 4 7/12
2) 4 7/12 × 6/11 = 55/12 × 6/11 =330/132 = 5/2 = 2 1/2

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