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b) (16/48)⁻¹/²= (1/3)⁻¹/²= 3¹/²= √3
c)(27/64)⁻²/³= (64/27)²/³= (∛64/27)²=(4/3)²=16/9
d) ( 3 3/8) ⁻¹/³= (27/8)⁻¹/³= (8/27)¹/³= ∛8/27= 2/3
e) 8⁴/³= (2³)⁴/³=2⁴=16
f)25⁻³/²=(5²)⁻³/²=5⁻³= 1/125
g) (2a¹/²)⁻¹=1/2 a⁻¹/²= 1/2· 1/√a= 1/2√a= √a/2a
h)(3⁻¹x¹/²)⁻²= 3² x⁻¹= 9/x
i) a⁻²/³ : a⁻⁴ = a⁻²/³ ⁺⁴ = a¹⁰/³
j) 3⁻¹/⁴ · 27⁻¹/⁴= 3⁻¹/⁴ · (3³)⁻¹/⁴= 3 ⁻¹/⁴ · 3⁻³/⁴= 3⁻¹/⁴ ⁺³/⁴= 3²/⁴= 3¹/²= √3
k) (0,25)⁻²/³ · 32⁻²/³= ( 0,25 · 32) ⁻²/³= 8⁻²/³= (2³)⁻²/³= 2⁻²=1/4