Odpowiedzi

2009-12-04T19:03:12+01:00
7(0.04+0.6-2)-3(0.04+1.2+1) = 7*(-1.36) -3*2.24 = -9.52 - 6.72 = -16.24
2009-12-04T19:04:35+01:00
=7xkwadrat-21x-14-3xkwadrat-18x-3=4xkwadrat-39x-17=4*0,04-39*-0,2-17=0,16+7,8-17=-9,04