Question

rezolvare la ex. 26+ (6×h-7×3):9=27

Answer 1

(6 x h -7 x 3) : 9 =27 -26 = 1 
(6 x h -21) :9= 1 
( 6 x h -21) =9 x 1= 9 
6 x h -21= 9 
6 x h= 21+9 
6 xh = 30 
h = 30 : 6 
h=5 
Verificare 26 + ( 6 x 5 - 7 x 3 ) : 9= 26+ ( 30 - 21) :9= 26+9:9= 26+1=27