October 2018 2 26 Report

Zapisz w postaci sumy algebraicznej pole :

a) prostokąta o bokach x+5 i x-2

b) trójkąta o podstawie x+3 i wysokości x-3

c) trapezu o podstawach x, x+2 i wysokości x+1

Zapisz w najprostszej postaci

3(a+b)+(a=2b)

-4(x-z)-(z+y)

5(4x-7)+(7-4x)

(4x-y)-2(x+y)

2(3x-2y+3z+5(x-y-z)

4x(x-y-z)-2x(4x-y-z)


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