Question

trzeba napisać jak sie to rozwiazalo plis help bo pani uzna ze zpisalam z tylu ksiazki
3 1/2 -2 3/4 =
1 2/3 - 5/6 =
3 1/4 - 1 2/3 =
2 1/2 - 1 2/3=

Answer 1

3 1/2 - 2 3/4 = 3 2/4 - 2 3/4 = 2 6/4 - 2 3/4 = 3/4 = 0,75
1 2/3 - 5/6 = 1 4/6 - 5/6 = 10/6 - 5/6 = 5/6
3 1/4 - 1 2/3 = 3 3/12 - 1 8/12 = 2 15/12 - 1 8/12 = 1 7/12
2 1/2 - 1 2/3 = 2 3/6 - 1 4/6 = 1 9/6 - 1 4/6 = 5/6