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ale sprobujmy
5- 2 1/3 = 4 3/3 = 2 2/3
3 2/3- 1 = 2 2/3
4 7/8- 3 2/8 = 4 - 3 + (7/8 - 2/8) = 1 5/8
5 1/7- 2 4/7 = 4 8/7 - 2 4/7 = 2 4/7
4 1/3-2 2/3 = 3 4/3 - 2 2/3 = 1 2/3
wystarczy?
3 i 2/3 - 1 = 2 i 2/3
4 i 7/8 - 3 i 2/8 = 39/8 - 26/8 = 13/8 = 1 i 5/8
5 i 1/7 - 2 i 4/7 = 36/7 - 18/7 = 18/7 = 2 i 4/7
4 i 1/3 - 2 i 2/3 = 13/3 - 8/3 = 5/3 = 1 i 2/3