Сократите дроби. 1) 55m⁵n⁴ ⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻ 22m⁷n 2) m²-3m ⁻⁻⁻⁻⁻⁻⁻⁻⁻ m² 3) v²-2v+1 ⁻⁻⁻⁻⁻⁻⁻⁻⁻ v²-1
1) 55m⁵n⁴ = 5n³ 22m⁷n 2m² 2) m²-3m = m² - 3m = 1 - 3 m² m² m² m 3) v²-2v+1 = (v-1)² = (v-1)(v-1) = v-1 v²-1 (v-1)(v+1) (v-1)(v+1) v+1