Question

Номер 756 решить плизз буду благодарен

Answer 1

1/2 + x = 5/6
 
x = 5/6 - 1/2 = 5/6 - 3/6 = 2/6 = 1/3

a + 1/4 = 3/4

a = 3/4 - 1/4 = 2/4 = 1/2