February 2019 0 10 Report
Oblicz wartość liczbową wyrażenia:

a) -5xy+2x x= -2 y= 3

b)3x+5y - 12 x= 5 y= -2

c) A(do potęgi drugiej) - 3a +1 a= -4

d) -4x - 6Y(do potęgi drugiej) +11 x= -2 y= -1


z góry dzięki :D
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