679 + 679 x 123 - 679 x 24
= 679 x 1 + 679 x 123 - 679 x 24
= 679 x ( 1 + 123 - 24 )
= 679 x 100
= 67900
679 + 679 x 123 - 679 x 24 = 679 x 1 + 679 x 123 - 679 x 24
= 679 x ( 1 + 123 - 24 )
= 679 x 100
= 67900
679 + 679 x 123 - 679 x 24
= 679 x 1 + 679 x 123 - 679 x 24
= 679 x ( 1 + 123 - 24 )
= 679 x 100
= 67900
k nha @_@