a. 2 3/4 -1 2/3 = 2 i 9/12 - 1 i 8/12 = 1 i 1/12
b. 4 4/5 - 1 1/7 =4 i 28/35 - 1 i 5/35 = 3 i 23/35
c. 4 4/5 -1 1/7 =4 i 28/35 - 1 i 5/35 = 3 i 23/35
załącznik:
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a. 2 3/4 -1 2/3 = 2 i 9/12 - 1 i 8/12 = 1 i 1/12
b. 4 4/5 - 1 1/7 =4 i 28/35 - 1 i 5/35 = 3 i 23/35
c. 4 4/5 -1 1/7 =4 i 28/35 - 1 i 5/35 = 3 i 23/35
załącznik: