Răspuns:
Explicație pas cu pas:
5/8 = 10/16 = 15/24
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10/24 = 20/48 = 40/96
7/20 = 14/40 = 21/60
12/14 = 24/28 = 48/56
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3/18 = 12/72 = 24/144
33/31 = 66/62 = 99/93
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8/13 = 16/26 = 32/52
9/19 = 18/38 = 36/76
