February 2019 0 35 Report
Oblicz wartość liczbową wyrażenia.
a ) 2x + 7,5y - 2 dla x = 3 i y = 2,5
b ) x + y / 2 dla x = 2,7 i y = 9,5
c ) 4(x - 2y) dla x = 1,5 i y = 1
d ) x/2 + 3/y dla x = 2 4/5 i y = 2/5

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