August 2018 3 13 Report
Oblicz wartość liczbową wyrażeń:

a) 4a²-1-½(a-3)² dla a= -1
b)a(2-b)+b³+(a+b)² dla a= -2 b= -3
c)3(a²-b²)-4a-4b dla a= -0,5 b=0,1
d)2(a-b)²-3(a+b)(a-b) dla a= ⁵/₂ b= ³/₂
e)(a-1)(a-2)=(a-3)(a-4) dla a= -0,5
f)(2x+3y)²-2,5x²+3,5y² dla x= 2,5 y= -0,5

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