Răspuns:
[tex]5 * ( 4 : 2 + 8 ) - 2 = 5*( 2 + 8 ) - 2 =5 * 10 - 2 =50 - 2 =48\\\\\\5*4 : ( 2 + 8 ) - 2 = 20 : 10 - 2 =2 - 2 =0\\\\\\5 * ( 4 : 2 + 8 - 2 ) =5 * ( 2 + 8 - 2 ) =5 * ( 10 - 2 ) =5 * 8 =40\\\\\\5 *4 : 2 + ( 8 - 2 ) =20 : 2 + 6 = 10 + 6 =16[/tex]