Question

calculați:dau coroana vo rog mult ​

Answer 1

Răspuns:

introducem intregii in fractie si a doua fractie o intoarcem si facem operatia de inmultire

d) (2·3+2)/3:(2·3+1)/3=8/3:7/3=8/3·3/7=24/21=8/7

h) (3·4+3)/4:(1·4+1)/4=15/4:5/4=15/4·4/5=3