Помогите 1 и 5 пж 15 баллов!!!!!!!!!!!!!!!!!!!!

Question

Помогите 1 и 5 пж 15 баллов!!!!!!!!!!!!!!!!!!!!

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Answer 1

1) 1/6 1/4 1/3 1n/4n
5) х= 3 37/39

Answer 2

1)3/18=1/6
2)4/16 = 1/4
3)18/54 =1/3
4)13n/52n= 1/4

номер 2
5/66 и 1/66