Odpowiedzi

2009-11-11T21:39:44+01:00
A) (7³÷5²)³×(5³÷7⁵)⁴=(343÷25)×(155÷16807)=13,72×0,0092223478=0,126530611816

b) (16÷25)⁴×(5×8)³=0,64⁴×40³=0,16777216×64000=10737,41824
2009-11-12T00:03:05+01:00
A) (7³/5²)^3*(5³/7⁵)⁴=(7⁹/5⁶)*(5¹²/7²⁰)=5⁶/7¹¹

b) (16/25)⁴*(5/8)³=(2⁴/5²)⁴*(5/2³)³=(2¹⁶/5⁸)*(5³/2⁹)=2⁷/5⁵