👤

Efectuati:
2 1/18-1/9
6 3/8-2 3/4
4 2/15-3 5/12


Răspuns :

21/18-1/9=21/18-2/18=19/18
63/8-23/4=63/8-46/8=17/8
42/15-35/12 = 42/3-7/12= 21/3-7/6 =42/6-7/6=35/6