555 + 333x2x3 : 2 -1
=555 + 666x3 : 2 -1
=555 + 1998 : 2 -1
=555 + 999 -1
=1554 -1
=1553
555 + 333x2x3:2 -1
= 555 + 333x3 -1
= 555+999-1
=1554-1 = 1553
555 +333 x 2 x 3 : 2 - 1 =1553
555 + 333x2x3 : 2 - 1
= 555 + 666x3 : 2 - 1
= 555 + 1998 : 2 - 1
= 555 + 999 - 1
= 1554 - 1
= 1553