Proszę o pomoc ;)
Oblicz, stosując prawa działań na potęgach:
zadania w załączniku;)
a)
(3⁻²)⁻³:3⁸=3⁶:3⁸=3⁻²
b)
(4⁻⁵)⁻²:4⁹=4⁸:4⁹=4⁻¹
c)
(5⁻¹)⁻³:5⁶=5³:5⁶=5⁻³
d)
(2²)⁻⁴:2⁻⁶=2⁻⁸:2⁻⁶=2⁻²
e)
[(⁴/³)⁻²]²*(⁴/₃)⁶=(4/3)⁻⁴*(4/3)⁶=(4/3)²
f)
[(2 1/5)⁻³]³*(2 1/5)⁷=(2 1/5)⁻⁹*(2 1/5)⁷=(2 1/5)⁻²
g)
[(4,2)⁻¹]⁻⁸*(4,2)⁻⁶=(4,2)⁸*(4,2)⁻⁶=(4,2)²
h)
[(3,4)⁻⁵]⁻⁴*(3,4)⁻¹⁹=(3,4)²⁰*(3,4)⁻¹⁹=(3,4)¹
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a)
(3⁻²)⁻³:3⁸=3⁶:3⁸=3⁻²
b)
(4⁻⁵)⁻²:4⁹=4⁸:4⁹=4⁻¹
c)
(5⁻¹)⁻³:5⁶=5³:5⁶=5⁻³
d)
(2²)⁻⁴:2⁻⁶=2⁻⁸:2⁻⁶=2⁻²
e)
[(⁴/³)⁻²]²*(⁴/₃)⁶=(4/3)⁻⁴*(4/3)⁶=(4/3)²
f)
[(2 1/5)⁻³]³*(2 1/5)⁷=(2 1/5)⁻⁹*(2 1/5)⁷=(2 1/5)⁻²
g)
[(4,2)⁻¹]⁻⁸*(4,2)⁻⁶=(4,2)⁸*(4,2)⁻⁶=(4,2)²
h)
[(3,4)⁻⁵]⁻⁴*(3,4)⁻¹⁹=(3,4)²⁰*(3,4)⁻¹⁹=(3,4)¹