August 2018 2 26 Report
5. Oblicz wartość liczbową wyrażenia:
a) 4x - ( x - 6 )+ 4 dla x= ⅓
b) ( x² + 1 ) - ( x² - 2 )+ 10 dla x= 2,2
c) ( a + 4b ) - ( 5 +2a ) - (3b-5) dla a= -0,1 i b= 0,2
d) ( -a² + 2ab - 1 ) + (a² - 4ab + 5 ) dla a= ¼ i b=2


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