Odpowiedź:
1 1/3 + 0,25 = 1 1/3 + 1/4 = 1 4/12 + 3/12 = 1 7/12
4 2/3 - 1,5 = 4 2/3 - 1 5/10 = 4 2/3 - 1 1/2 = 4 4/6 - 1 3/6 = 3 1/6
3,75 - 1 1/6 = 3 3/4 - 1 1/6 = 3 9/12 - 1 2/12 = 2 7/12
2 1/5 * 1,5 = 2 1/5 * 1 5/10 = 2 1/5 * 1 1/2 = 11/5 * 3/2 = 33/10 = 3 3/10 = 3,3
2,4 : 1/4 = 2,4 * 4 = 9,6
