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2014-11-05T20:23:45+02:00
=2¹⁻³=2⁻²=1/2²=1/4
b)(1/4)⁻²x4=4²x4=4²⁺¹=4³
c)=[(3⁻⁶)x(3³)²]/3=(3⁻⁶⁺⁶)/3=3°/3=1/3
d)
2 intreg1/2=(2x2+1)/2=5/2
4intreg 1/4=(4x4+1)/4=17/4
ex2 Aduceti la o forma mai simpla 
a)=2/3xa⁸xb⁴=2a⁸b⁴/3
b)=5a⁴/6b²x10a³b⁴=(50a⁴⁺³b⁴)/6b²=(50/6)xa⁷xb⁴⁻²=(25/3)a⁷b²
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