September 2018 2 13 Report
Uprośc wyrażenia algebraiczne:
4x + 5 - x - 4 + x - 3x
0,5a-2a+9-0,5a-11,5
-14k+9k-13+k+3+4k
-3k+2m+5m-7+k-m
2x-4+3x-2
x-3y-2x+6y
2y-5-3y-4-8y+9
zad.2
a) -5t+t-6-7t+8t+2+2t dla t = -3,2
b) -7x+6y+3x-2y+x-3y dla x+ - dwie trzecie i y + cztery siódme

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