Răspuns:
Explicație pas cu pas:
681*
135
-----------------
3405
2043
681
-------------
91935
************************************
135*
681
-----------------
135
1080
810
-------------
91935
************************************
409*
253
-----------------
1227
2045
818
-------------
103477
************************************
253*
409
-----------------
2277
000
1012
-------------
103477
