Odpowiedź:
4/7 * (1/10 + 6/10)=4/7 * 7/10= 4/10=0,4
2/5 * 0,25= 0,4 * 0,25=0,1
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Odpowiedź:
4/7 * (1/10 + 6/10)=4/7 * 7/10= 4/10=0,4
2/5 * 0,25= 0,4 * 0,25=0,1