15,25 - 4 1/6 - (5,15 - 2 2/3) =

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12 июня, 18:29

15,25 - 4 1/6 - (5,15 - 2 2/3) =

+4

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Козьмич · Answer 1

15,25 - 4 1/6 - (5,15 - 2 2/3) =

5,15 - 2 2/3 = 5 15/100 - 2 2/3 = 515/100 - 8/3 = 103/20 - 8/3 = 309/60 - 160/60 = 149/60 = 2 29/60

15,25 - 4 1/6 = 61/4 - 25/6 = 183/12-50/12 = 133/12

133/12 - 149/60 = 665/60 - 149/60 = 516/60 = 258/30 = 129/15 = 43/5 = 8 3/5