Odpowiedź:
1 i 1/4 - 1/2 = 1 i 1/4 - 2/4 = 5/4 - 2/4 = 3/4
2 i 1/2 - 3/4 = 2 i 2/4 - 3/4 = 1 i 6/4 - 3/4 = 1 i 3/4
3 i 3/4 + 2 i 1/2 = 3 i 3/4 + 2 i 2/4 = 5 i 5/4 = 6 i 1/4
[tex]d)\ \ 1\frac{1}{4}-\frac{1}{2}=1\frac{1}{4}-\frac{2}{4}=\frac{5}{4}-\frac{2}{4}=\frac{3}{4}\\\\e)\ \ 2\frac{1}{2}-\frac{3}{4}=2\frac{2}{4}-\frac{3}{4}=1\frac{6}{4}-\frac{3}{4}=1\frac{3}{4}\\\\f)\ \ 3\frac{3}{4}+2\frac{1}{2}=3\frac{3}{4}+2\frac{2}{4}=5\frac{5}{4}=6\frac{1}{4}[/tex]
