Odpowiedź :
2 - 2/5 = 1 3/5
3 1/2 * (0,6 - 0,5) = 3,5 * 0,1 = 0,35
1 1/2 + 3/4 = 1,5 + 0,75 = 2,25
4 4/9 : 1 3/4 = 40/9 * 4/7 = 160/63 = 2 34/63
4/3 + 9/5 = 20/15 + 27/15 = 47/15 = 3 2/15
:)
2 - 2/5 = 1 3/5
3 1/2 * (0,6 - 0,5) = 3,5 * 0,1 = 0,35
1 1/2 + 3/4 = 1,5 + 0,75 = 2,25
4 4/9 : 1 3/4 = 40/9 * 4/7 = 160/63 = 2 34/63
4/3 + 9/5 = 20/15 + 27/15 = 47/15 = 3 2/15
:)