Răspunsuri

2014-10-30T14:22:00+02:00
2x=105 - 30⇒2x=75⇒x=75:2= 37 grade si 30 minute
2014-10-30T14:24:39+02:00
2Y=(3x35)-30=> 2Y=105-30=> 2Y=75 grade, 2Y=74 grade si 60'=> Y=74grade:2si60':2=37 grade si 30'