a) 1/7<5/n n<35
1/6>5/n n>30
n=31, 32, 33, 34
б) 1/2<5/n n<10
2/3>5/n n>7,5
n=8, 9
в) 0,4<5/n n<12,5
0,5>5/n n>10
n=11
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Answers & Comments
a) 1/7<5/n n<35
1/6>5/n n>30
n=31, 32, 33, 34
б) 1/2<5/n n<10
2/3>5/n n>7,5
n=8, 9
в) 0,4<5/n n<12,5
0,5>5/n n>10
n=11