а)
(12a⁸b⁶ + 60a⁶b⁸)/4 a⁵b⁵ = 12a⁸b⁶/4a⁵b⁵ + 60a⁶b⁸/4a⁵b⁵ = 3a³b + 15ab³;
б)
(132n³p² - 44n²p³ + 110n²p⁴)/22np =
= 132n³p²/22np - 44n²p³/22np + 110n²p⁴/22np
= 6n²p - 2np² + 5np³
в)
(15a⁷x⁹ - 45a⁹x⁷)/5a⁶x⁶ =
= 15a⁷x⁹/5a⁶x⁶ - 45a⁹x⁷/5a⁶x⁶ =
= 3ax³ - 9a³x
г)
(108k⁴n² - 144k³n³ - 180k²n⁴)/36kn =
= 108k⁴n²/36kn - 144k³n³/36kn - 180k²n⁴/36kn =
= 3k³n - 4k²n² - 5kn³