Răspunsuri

2014-11-02T19:28:04+02:00
3³+√25[√2·√18-(5√6)²]-100=
27+5·[√36-25·6]-100=
27+5(6-150)-100=
27+5·(-144)-100=
27-720-100=-693-100=-793
2014-11-02T19:29:49+02:00
9-a+5[6-150-a]-100=9-a+30-750-5a-100=-6a=811      a=-811/6
3³+√25[√2·√18-(5√6)²]-100=
rd25=5
rd2*rd18=rd36=6
5rd6la2=25*6=150
mai departe cred ca sti