Odpowiedzi

2010-03-14T18:42:50+01:00
A] -2a - 3b + 4 (-2a+8b)= -2a - 3b -8a+ 32b= -10a+29b
b] 2(3ac-8ab+3)-3(ac-4ab)+8=6ac-16ab+6-3ac+12ab = -4ab+3ac+6
c] x-2(0,3x-Y² )+(x-0,6y² ) = x-0,6x+2y²+x-0,6y² = 1,4x+1,4y²
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2010-03-14T18:47:39+01:00
A)-2a-3b-8a+32b=-10a+29b
b)6ac-16ab+6-3ac+12ab+8=3ac-4ab+8
c)x-2(0,3x^2+0,18xy^2-xy^2+0,6y^4)=0.3x^4-0,18x^2y^2+0,6xy^4-0,6x^2-0,36xy^2+2xy^2-1,2y^4=
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