Question

va rog am nevoie maine toata rezolvarea pls.Urgent!​

Answer 1

Răspuns:

Explicație pas cu pas:

5/12 + 5/24 = 10/24 + 5/24 = 15/24 = 5/8

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26/21 + 13/14 = 52/42 + 39/42 = 91/42 = 13/6

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4/15 + 3/20 = 16/60 + 9/60 = 25/60 = 5/12

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5/24 + 1/12 + 3/8 = 5/24 + 2/24 + 9/24 = 16/24 = 2/3

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7/30 - 3/20 = 14/60 - 9/60 = 5/60 = 1/12

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8/15 - 9/20 = 32/60 - 27/60 = 5/60 = 1/12

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8/21 - 4/35 = 40/105 - 12/105 = 28/105 = 4/15

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7/6 - 3/4 - 1/12 = 14/12 - 9/12 - 1/12 = 4/12 = 1/3