1) 18/14 = x/35 => 1835 = 14x => 630 = 14*x => x = 630/14 = 45
2) 7/28 = x/12 => 712 = 28x => 84 = 28*x => x = 84/28 = 3
3) 4/x = 6/18 => 418 = 6x => 72 = 6*x => x = 72/6 = 12
4) 14/10 = 21/x => 14x = 2110 => 14*x = 210 => x = 210/14 = 15
5) x/10 = 18/60 => x = 10*18/60 => x = 3
6) 45/25 = 18/x => 45x = 1825 => 45*x = 450 => x = 450/45 = 10
Ответы:1) x = 452) x = 33) x = 124) x = 155) x = 36) x = 10
1) 18/14 = x/35 => 1835 = 14x => 630 = 14*x => x = 630/14 = 45
2) 7/28 = x/12 => 712 = 28x => 84 = 28*x => x = 84/28 = 3
3) 4/x = 6/18 => 418 = 6x => 72 = 6*x => x = 72/6 = 12
4) 14/10 = 21/x => 14x = 2110 => 14*x = 210 => x = 210/14 = 15
5) x/10 = 18/60 => x = 10*18/60 => x = 3
6) 45/25 = 18/x => 45x = 1825 => 45*x = 450 => x = 450/45 = 10
Ответы:
1) x = 45
2) x = 3
3) x = 12
4) x = 15
5) x = 3
6) x = 10