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help po please I need it now as in now
1.x¹⁶y⁶/x⁶y⁷.
2.a - ¹⁰/a-¹⁰
3.a⁶b⁷c⁷/a-²b³c⁰
4.x⁵ y⁴/x-⁵y⁴
need help po please ​