7 x (346-182) : 4 +456
= 7 x 164 : 4 +456
= 7 x 41 +456
= 287 + 456
= 743
7 x ( 346 - 182 ) : 4 + 456
= 7 x 164 : 4 + 456
= 1148 : 4 + 456
= 287 + 456
= 743
7x(346-182):4+456
=7x164:4+456
=287+456
=743
7 x (346-182) : 4 +456
= 7 x 164 : 4 +456
= 7 x 41 +456
= 287 + 456
= 743