Răspuns:
b) =3+(2·11+2)/11·[(125/100⁽²⁵-3/9⁽³)]
=3+24/11·(³⁾5/4-⁴⁾1/3)]
=3+24/11·(15/12-4/12)
=3+24/11·11/12
=3+2=5
____________
c) [(1·3+1)/3+(16-1)/90]²·(15/10)⁽⁵-1/2
=[(4/3+(15/90)⁽¹⁵]²·3/2-1/2
=(⁴⁾4/3+²⁾1/6)²·3/2-1/2
=(16/12+2/12)²·3/2-1/2
=(18/12)²·3/2-1/2
=(3/2)²·3/2-1/2
=(3/2)²⁺¹-1/2
=(3/2)³-1/2
=27/8-⁴⁾1/2
=(27-4)/8=23/8=2,875
