ile to 1 cała i dwie piąte razy 1 cała i dwie piąte ??
1 2/5 x 1 2/5= 7/5 x 7/5 = 49/25 = 1 24/25
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1 2/5 x 1 2/5= 7/5 x 7/5 = 49/25 = 1 24/25