а) х/17<8/51
3х/51<8/51
3х<8
х<2 1/3
б) х/65<1/13
х/65<5/65
х<5
в)х/5<3/15
3х/15<3/15
3х<3
х<1
г)1/16<х/8
1/16<2х/16
1<2х
1х<2
х>1/5
д 5/12 > x/24
10/24 > x/24
10>x
x<10
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Answers & Comments
а) х/17<8/51
3х/51<8/51
3х<8
х<2 1/3
б) х/65<1/13
х/65<5/65
х<5
в)х/5<3/15
3х/15<3/15
3х<3
х<1
г)1/16<х/8
1/16<2х/16
1<2х
1х<2
х>1/5
д 5/12 > x/24
10/24 > x/24
10>x
x<10