Răspuns :
Explicație pas cu pas:
8/6+7/42=3/2
????
21/15+8/3=61/15
8/7-3/8=43/56
11/5-9/35=68/35
9/3-8/7=24/7
10/6-4/8=7/6
5/6+1/21=37/42
1/15+3/10=11/30
Explicație pas cu pas:
8/6+7/42=3/2
????
21/15+8/3=61/15
8/7-3/8=43/56
11/5-9/35=68/35
9/3-8/7=24/7
10/6-4/8=7/6
5/6+1/21=37/42
1/15+3/10=11/30