a) x/25 = 12/1x = 25 * 12 / 1x = 20
б) 9/24 = x/3x = 32 * 9 / 2x = 12
в) 18/x = 8/1x = 18 * 16 / x = 36
a) x/25 = 12/1
x = 25 * 12 / 1
x = 20
б) 9/24 = x/3
x = 32 * 9 / 2
x = 12
в) 18/x = 8/1
x = 18 * 16 /
x = 36