1065 номер дам 20 балов

Question

1065 номер дам 20 балов

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Answer 1

1/2 = 1/4 + 1/6 + 1/12
1/4 = 1/8 + 1/12 + 1/24
1/6 = 1/12 + 1/18 + 1/36
1/8 = 1/16 + 1/24 + 1/48
1/10 =1/20 + 1/30 + 1/60