oblicz :
(-4)⁹/(-4)⁸*(-4)=
(-2)¹²/(-2)/(-2)⁷⁷=
a¹¹*a⁶ =
4
b¹⁴ *b¹⁶ =
b¹⁵
(-4)⁹/(-4)⁸×(-4)=(-4)×(-4)=16
(-2)¹²/(-2)/(-2)⁷⁷=(-2)¹¹/(-2)⁷⁷=(-2)⁻⁶⁶
a¹¹ × a⁶ / 4 = a¹⁷ / 4
b¹⁴ × b¹⁶ / b ¹⁵ = b³⁰ / b¹⁵ = b¹⁵
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(-4)⁹/(-4)⁸×(-4)=(-4)×(-4)=16
(-2)¹²/(-2)/(-2)⁷⁷=(-2)¹¹/(-2)⁷⁷=(-2)⁻⁶⁶
a¹¹ × a⁶ / 4 = a¹⁷ / 4
b¹⁴ × b¹⁶ / b ¹⁵ = b³⁰ / b¹⁵ = b¹⁵