May 2022 1 4 Report
Wyrażenie (7a − 2b)^2 jest równe:
A. 49a^2 − 4b^2
B. 49a^2 − 28ab − 4b^2
C. 49a^2 + 28ab + 4b^2
D. 49a^2 − 28ab + 4b^2

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