September 2018 1 278 Report

niech symbol A oznacza 1/3 liczby A, natomiast symbol B oznacza 1/4 liczby B. Liczba 16 ( A ) - 12 ( B ) jest równa:

a ) 4 ( B )

B ) 4 ( a )

C ) 7 ( B )

D ) 7 (A )


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