Răspuns:
Explicație pas cu pas:
4/6+ casuta= 5/6
5/6-4/6= 1/6
Deci in casuta scriem 1/6
Casuta +7/8=8/8
8/8-7/8=1/8
Deci in casuta scriem 1/8
2/9+1/9+ casuta= 6/9
3/9+ casuta=6/9
6/9-3/9= 3/9
Deci in casuta scriem 3/9
8/9- casuta= 5/9
8/9-5/9= 3/9
Deci in casuta scriem 3/9
Casuta -2/9=6/9
6/9+2/9= 8/9
Deci in casuta scriem 8/9
10/10 - casuta=2/10
10/10 -2/10= 8/10
Deci in casuta scriem 8/10
