December 2018 1 29 Report
1. Po porównaniu liczb a=5-(x-y)+(y+2x)
i b=(x-2y+xy)-(x+y) dla x1/2i y=-2 stwierdzono, że:
A. a=b B.a>b C.a

2.Zapisz w postaci sumy algebraicznej.

a)3(x-7) b)-4(x+8) c)-1/2(3xy-4yz+7xz) d) (5x+2y-4)*5 e)(6x²-2y+3):3 f)15x+20y-40z/5
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