rezolvare 40:(10xa+30)+24=25

Răspuns :

40:(10xa+30)+24=25

40 : (10 x a + 30 ) = 25 - 24

40 : (10 x a + 30) = 1

10 x a + 30 = 40 : 1

10 x a + 30 = 40

10 x a = 40 - 30

10 x a = 10

a = 10 : 10

a = 1

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