Răspuns :
a) 2√2×3√3=6√6
b) -3√7×5√2= -15√14
c) 2√6×4√3×(-1)=
=8×3√2×(-1)=
=24√2×(-1)= -24√2
d) √9×5×√4×√1=
=5√36=
=5×6=30
e) √5×(-√5)×(-2)=
=(-5)×(-2)=10
a) [tex]2\sqrt{2}*3\sqrt{3}=6\sqrt6[/tex]
b) [tex]-3\sqrt7*5\sqrt2=-15\sqrt14[/tex]
c) [tex]2\sqrt6*4\sqrt3*(-1)= -8\sqrt18=-8*3\sqrt2=-24\sqrt2[/tex]
d) [tex]\sqrt9*5*\sqrt4*\sqrt1=3*5*2*1=30[/tex]
e) 2,57*3.58*4,59*0=0
f) [tex]\sqrt5*(-\sqrt5)*(-2)=+2\sqrt25=2*5=10[/tex]