Odpowiedź:
8,9 : 2 i 9/10 = 89/10 : 29/10 = 89/10 * 10/29 = 89/29 = 3 i 2/29
[tex]8 \frac{9}{10} \div 2 \frac{9}{10} = \frac{89}{10} \times \frac{10}{29} = \frac{89}{29} = 3 \frac{2}{29} [/tex]
