Răspunsuri

2014-01-23T20:09:30+02:00
9√2 x ( 7√7-5√7+2√122-3√7)=-9√14 + 2√122=-9√14+36√61
2014-01-23T20:09:44+02:00
9√2 x( 7√7-5√7+2√122-3√7)
9√2(-√7-2√122) = -9√14-18√244= -9√14-36√61