Zad.9
d) (-7)⁸ :7⁵
e) a⁹·(-a)⁵
f)(-x)¹⁰:(-x)⁶
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d)(-7)⁸ :7⁵=7³=234 e) a⁹·(-a)⁵=-(a)¹⁴
f)(-x)¹⁰:(-x)⁶=(-x)¹⁰-⁶ =(-x)⁴=x⁴
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d)(-7)⁸ :7⁵=7³=234 e) a⁹·(-a)⁵=-(a)¹⁴
f)(-x)¹⁰:(-x)⁶=(-x)¹⁰-⁶ =(-x)⁴=x⁴