Объяснение:
а)х × 3ab = 12a²b³
x = 12a²b³ ÷ 3ab
x = 4a²¯¹b³¯¹
x = 4ab²
б)x × 37a²b = 111a³b²
x = 111a³b² ÷ 37a²b
x = 3a³¯²b²¯¹
x = 3ab
Объяснение:
а)х × 3ab = 12a²b³
x = 12a²b³ ÷ 3ab
x = 4a²¯¹b³¯¹
x = 4ab²
б)x × 37a²b = 111a³b²
x = 111a³b² ÷ 37a²b
x = 3a³¯²b²¯¹
x = 3ab