Упростите выражение

1 А) 2,2а-⁸b⁵×5а¹⁰b-⁴

Б) 2х-⁴у⁷×3,5х⁸у-⁷

2 А) 2,8 m⁸n :(0,7m⁴n-²)

Б) 2½ а-¹⁶b-3 :(-⅚ а-⁸b‐3)

3 А) 14а/бb-³× b-2/56а-⁴

Б) 18p-⁶/q⁵×7q-⁵/6p-¹²

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