Question

Va rog sa ma ajute cineva la mate dau coroană pliz îmi trebuie acum pliz ♥️ ​

Answer 1

$[2* ( 5 + 4 - 9 )^{2} ]^{3} : 7 = \\\\= [ 2 * ( 9 - 9 )^{2} ]^ {3} : 7\\\\= ( 2 * 0^{2} )^{3} : 7 \\\\= ( 2 * 0 )^{3} : 7\\\\= 0^{3} : 7\\\\= 0 : 7\\\\= 0$