potęgi :D
http://i56.tinypic.com/wsl1z9.png
Zad 1
a) 27x²y⁶
b) -32a¹⁵b¹⁰
Zad 2
a) (2*2,5*0,2)³=1³=1
b) 2²:(-3)³=4:(-27)=-4/27
Zad 3
a) x²y
(0,75)²*(-8)=-4,5
b) ab²
6*(√2)²=6*2=12
Zad 4
a) 20¹⁵/20¹²=20³
b) 1*8=8
c) (64*15)²/1440=640
Zad 5
P=6a²
96cm²=6a²
a²=16cm²
a=4cm
V=a³
V=(4cm)³
V=64cm³
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Zad 1
a) 27x²y⁶
b) -32a¹⁵b¹⁰
Zad 2
a) (2*2,5*0,2)³=1³=1
b) 2²:(-3)³=4:(-27)=-4/27
Zad 3
a) x²y
(0,75)²*(-8)=-4,5
b) ab²
6*(√2)²=6*2=12
Zad 4
a) 20¹⁵/20¹²=20³
b) 1*8=8
c) (64*15)²/1440=640
Zad 5
P=6a²
96cm²=6a²
a²=16cm²
a=4cm
V=a³
V=(4cm)³
V=64cm³