1. a) 0,25 -3 x(2/3)^2 -V5 i1/16 =1/4 -4/3 -9/4 =3/12 -16/12 -27/12= = -40/12 = -3 1/3 b) 1/4 x 1,5 -(1/2)^3[V2 1/4 -(-0,5)] =1/4 x 3/2 -1/8(3/2 +1/2) = =3/8 -1/8 x 2 =3/8 -2/8 = 1/8 2. a) V2 x V2 =2 b) (-3V2) x (-5V2) =15 x 2 =30 c) 3V2 x 2V3 x 3V2 =3V2 x 3V2 x 2V3 =18 x 2V3 =36V3 d) 2V14 x 5V21=10 x V2 x V7 x V3 xV7 =70V6 e) 3V15 x 9V35 =27 x V3 x V5 x V5 x V7 = 27 x 5 x V21 =135V21
1.a)0,25-3*(⅔)²-√5 i1/16= =1/4 -4/3 -V5/16 =3/12 -16/12 -V5/16= = -13/12 -V5/16= -52/48-3V5/48=-52-3V5/48= -3(16+ V5)/48=16 + V5/-16 b)¼*1,5-(½)³[√2¼-(-0,5)]= =1/4 * 3/2 -1/8(3/2 +1/2) = =3/8 -1/8 * 2 =3/8 -2/8 = 1/8 2.a) √2*3√2=3* 2=6 b)(-3√2)*(-5√2)=15*2= 30 c)3√2*2√3*3√2=18*2V3=36V3 d)2√14*5√21=10V105 e)3√15*9√35=27V525=27*5V21=135V21
