August 2018 1 46 Report
ZREDUKUJ WYRAZY PODOBNE i oblicz wartości liczbowe sum.
a) 2a + 3 - a + 6 +7a dla a = -2
b) 2z + t - 3z + 4t - 1 dla z = 5 i t=0,1
c) 13x - 2y + 7 - 9x + y - 4 + x - 3 dla x= 0,2 , y= -1
d) n² + n - 7 + 3n² n - 9 - n + 16 dla n= -1/2 ( czyt. minus jedna druga )
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