Question

[(827-4×200-2×1)×6-123]:a=3 dau coroana plss​

Answer 1

$[(827-4\cdot200-2\cdot1)\cdot6-123]:a=3$

$[(827-800-2)\cdot6-123]:a=3$

$(25\cdot6-123):a=3$

$150-123=3a$

$3a = 27$

$a = 27:3$

$\implies \bf a = 9$

Answer 2

cpl..................