August 2018 2 21 Report
4.Doprowadź do najprostrzej postaci:(^3=potęga)

b)2x(x^2-3x+7)+3(x^3-2x^2+4)=

d) -3(x^3+4x-2)+2x(x^2-3x)=
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5.Doprowadź do najprostrzej postaci:

b) 1½(2a-3b-c)-2½(a-2b+c)

d)3(0,6a-1,1b+0,9c)-4(0,3a+1,2b-0,3c)
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6.Doprowadź do najprostrzej postaci:

a)4(2½a- 1¼b)-3(2a-1½b)-2(-1¼ a- 1 3/4b)

b)2½(a-2b)-¼ (3a-5b)+ 1¼ (2a-3b)

c)0,4(3a+2b)-0,3(-6a+b)-0,7(2a-3B)

d)-1,3(-2a+3b)-2,1(a-2b)-0,5(5a-2b)

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