Odpowiedzi

2010-03-12T13:24:50+01:00
3a²+3ab/a²+2ab+b² dla a=-0,5,dla b=-2

3a²+3ab/a²+2ab+b²
3* (-0,5)²+3*(-0,5)*(-2)/(-0,5)²+2*(-0,5)*(-2)+(-2)²=
=3 * 0,25 + 3/ 0,25 + 2+4 =
= 0,75 + 12+6 = 18,75
1 5 1
2010-03-12T13:29:18+01:00
3a²+(3ab:a²)+2ab+b²=3*(-0,5)²+[3*(-0,5)*(-2):(-0,5)²]+2*(-0,5)*(-2)+(-2)²=
=3*0,25+[3:0,25]+2+4=0,75+12+6=18,75