Rozwiąż jedno zadanie.Mnożenie ułamków.4 i 1/2 * 1 i 1/3 - 2 i 2/5 * 5/7 + ?Takie * znaczy mnożenie ;p
4 i 1/2*1 i 1/3-2 i 2/5*5/7 = 9/2*4/3-12/5*5/7 = 6-12/7 = 42/7-12/7 = 30/7 =
4 całe i 2/7
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4 i 1/2*1 i 1/3-2 i 2/5*5/7 = 9/2*4/3-12/5*5/7 = 6-12/7 = 42/7-12/7 = 30/7 =
4 całe i 2/7