Odpowiedź:
(2,75 + 1 i 1/3) : 7 = (2 i 3/4 + 1 i 1/3) : 7 = (2 i 9/12 + 1 i 4/12) : 7 = 3 i 13/12 : 7 = 49/12 * 1/7 = 7/12 skracamy 49 i 7 przez 7
1,8 - 0,8 * 3/4 = 1/8 - 8/10 * 3/4 = 1,8 - 6/10 = 1,8 - 0,6 = 1,2
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Odpowiedź:
(2,75 + 1 i 1/3) : 7 = (2 i 3/4 + 1 i 1/3) : 7 = (2 i 9/12 + 1 i 4/12) : 7 = 3 i 13/12 : 7 = 49/12 * 1/7 = 7/12 skracamy 49 i 7 przez 7
1,8 - 0,8 * 3/4 = 1/8 - 8/10 * 3/4 = 1,8 - 6/10 = 1,8 - 0,6 = 1,2