Question

20-(13+108:b)=1
cum se rezolva?vă rog!!!repede

Answer 1

20-(13+108:b)=1
(13+108:b)=20-1
(13+108:b)=19
108:b=19-13
108:b=6
b=108:6
b=18

Answer 2

Răspuns

20-(13+108:b) = 1 ;

-13-108:b = -20+1 = -19 ;

-108:b = -19+13 = -6 ; inmultim cu -1

108:b = 6 ;

b = 108:6 = 18 ;