December 2018 1 61 Report
Oblicz wartość liczbową wyrażenia
3(2x+3y)-5(3x-y)-(x-y) dla x=-1, y= 1/2
5a-2(3a-7)-3(a-3)-2a dla a=3/4
(2a-6)(7+2a) dla a=-1
-2(a+b+c)-3(a-b+c)+4(a-b-c) dla a=-1, b=-2, c=-3
3(x{2}-2x+5)-4(-x{2}+5x-7)-2x{2} dla x=1
1-a(b-1)+2[-b(a+1)-0,5a]+2b dla a= 4/15, b=1/4
3[4x-(5y+3x)]-4[3x-(2x+3y)] dla x= -3,5 ; y=-5/6
(x+2y)(x-2y)-4x(x-y)+(x-2y) {2}-y dla= x=1/2, y=-1/2
{2} - potęga ..
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