Question

Реши уравнения 5,6a+1,25a + 3,15a=2,7

Answer 1

5,6a+1,25a+3,15a=2,7
10a=2,7
a=2,7:10
a=0,27

Answer 2

5,6a+1.25a+3.15a=2.7
10a=2.7
a=2.7/10=0.27