👤

1 Efectuați scăderile: 7 4 3 3 8 -1- i 4- 42-1² b 17 7 1 0 0 0 f 4 5 5' อง 2 8 13--25 9 2 17 2 60 60 8 7 k 7 11 15 10 15 1 15 2. 1 15 23 2 42 42 11 7 h 9- -9- 20 20 3 19- 4 4​