Question

determina necunoscuta din urmatoarele egalitati: (36-20:ax9):8=0

Answer 1

(16:ax9):8=0
(16:ax9)=0x8=0
(ax9)=16x0=0
ax9=0
a=9x0=0

Answer 2

(16:a×9):8=0
(16:a×9)=0
16:a=0
a=16×0
a=0