Cine ma ajuta la exercitiile aceste avem evaluare pls help
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1. C
2. 7,5 smantana=1,5 unt
10 smantana= 2 unt
12,5 smantana=2,5 unt
25 smantana=5 unt
3.x=5×2/9
x=10/9
x=1,(1)