Zbiór zadań Matematyka 2 Gimnazjum ;)
zad 37./12
Oblicz;
a) 2⁻⁴
b)3⁻³
c)10⁻⁵
d)12⁻²
e)(1/7)⁻¹
f)(2/3)⁻²
g)(2¼)⁻¹
h)(1⅓)⁻³
i)0,5⁻²
j)0,01⁻²
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a) 2⁻⁴=(1/2)⁴=1/16
b)3⁻³=(1/3)³=1/27
c)10⁻⁵=1/100000=0,00001
d)12⁻²=(1/12)²=1/144
e)(1/7)⁻¹=7
f)(2/3)⁻²=(3/2)²=9/4=2 i 1/4
g)(2¼)⁻¹=4/9
h)(1⅓)⁻³=(3/4)³=27/64
i)0,5⁻²=4
j)0,01⁻²=(100)²=10000