Question

16×3-300:10×a-225:15=111 sa se afle a. (Dau coroana)​

Answer 1

48-30xa-15=111/+15
48-30a=126/-38
30a=88/:30
a=2,93333333

Answer 2

Răspuns:

16×3-300:10×a-225:15=111

48-30a-15=111

-30a=111-48+15

a=-78/30

a=-13/5