a) [ ( 48 - 16 ) x ( 14 + 12 ) ] : 2 = ( 32 x 26 ) : 2 = 832 : 2 = 416
b) 2 x [ ( 6 x 8 ) : ( 2 x 3 ) ] - 9 = 2 x ( 48 : 6 ) - 9 = 2 x 8 - 9 = 16 - 9 = 7
c) 3 x [ ( 9 x 8 ) - ( 5 x 7 ) ] + ( 125 - 84 ) = 152
= 3 x ( 72 - 35 ) + 41 =
= 3 x 37 + 41 =
= 111 + 41 =
= 152
