Răspunsuri

2014-01-30T09:08:26+02:00

√15*√3-3√175:√35=
=√(5*3*3)-3√(5²*7):√(5*7)=
=3√5-3*5√7:(√5*√7)
=3√5-(3*5):√5=
=3√5-(3*5*√5):5=
=3√5-3√5=
=0

√6000000= 
=√(2*3*10*10^4)=
=10²√(2*3*2*5)=
=2*10²√(3*5)=
=200√15
1 5 1
2014-01-30T10:30:57+02:00
√15 · √3 - 3 √175 : √35 = √45 - 3 · (√175:√35) = 3√5 - 3√5 = 0
√600000 = √(2·5·2·5)·(2·5·2·5)·(2·5·2·3) = (2·5)·(2·5)·2√15 = 200√15