ROZPISZ I ROZWIARZ 1/4 + 1/2 +2/8= 3/5 X 1 4/6= 5/9 X1 4/5= 1/2 + 3/7 X 7/6= 10[DO POTEGI 2]:20= ODWROTNOSC LICZBY 2/3= 1[DO POTEGI DWUDZIESTEJ SIODMEJ]= 50 PROCENT 1 ŁYCZECZKI=

1/4 +1/2 +2/8 = 2/8 +4/8 +2/8 = 8/8 = 1
3/5 * 1 4/6 = 3/5 * 10/6 = 2/2 = 1
5/9 * 1 4/5 = 5/9 * 9/5 = 1
1/2 + 3/7 *7/6 = 1/2 + 1/2 = 2/2 = 1
10*10 : 20 = 10*10 : 2*10 = 10* (10 : 2) = 10 * 5 = 50
2/3 => 3/2
1^27 = 1