Реши уравнения.
1) Устно.
15 * x = 0
x * 24 = 24
18 : x = 18
2) Письменно.
x * 14 = 98
x : 16 = 6
72 : x = 12
15 * x = 0
x = 0
x * 24 = 24
x = 1
18 : x = 18
x = 1
x * 14 = 98
x = 98 : 14
x = 7
x : 16 = 6
x = 16 * 6 = (10 + 6) * 6 = 10 * 6 + 6 * 6 = 60 + 36
x = 96
72 : x = 12
x = 72 : 12
x = 6