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Porochanamaria5
a fost răspuns

2 3/7+3 2/5+3 4/7+2 3/5
Va rog am nevoi urgent
Dau coroana ​

Răspuns :

Dariusbarbu

2 3/7 + 3 2/5 + 3 4/7 + 2 3/5

= (2 × 7 + 3)/7 + (3 × 5 + 2)/5 + (3 × 7 + 4)/7 + (2 × 5 + 3)/5

= 17/7 + 17/5 + 25/7 + 13/5

= 42/7 + 30/5 = 6 + 6 = 12