[tex]\frac{1}{2} + \frac{1}{4} = \frac{2}{4} + \frac{1}{4} = \frac{3}{4}[/tex]
[tex]3\frac{3}{4} + 2\frac{1}{2} = 3\frac{3}{4} + 2\frac{2}{4} = 6\frac{1}{4}[/tex]
[tex]\frac{8}{9} * 5 = \frac{40}{9} = 4\frac{4}{9}[/tex]
Odpowiedź:
1. 3/4
2. 6 i 1/4 lub 25/4
3. 40/9
<3
