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Ewo zadaca za Arnelu...

(-2,5ab)2 =-5a2 b4
(2  ½ abc)3 = 8 3/8 a3 b3 c3

(1/2 xyz)3 = x3 y3 z2
(-2xyz2)3= -8 x3 y3 z6

247.    3a5*5a3=15a6

4a3*2a2=8a5

2b*5b3= 10b4

2a*3b2*4b3=2a * 12b5

8m3*2m*5=16m4 5

249.  3xy5-10x3y5+4x3y5+8x3y3=5x12 y20

-2mn2+5mn2-4mn2+7mn2=6mn8

I kako da te ne volim .....?
http://visocanudusi.blogger.ba
03/03/2010 23:18