A = 1995 x 1993 - 18 / 1975 + 1993 x 1994
= (1994 + 1) x 1993 - 18 / 1975 + 1993 x 1994
= 1994 x 1993 + 1993 - 18 / 1975 + 1993 x 1994
= 1994 x 1993 + 1975 / 1975 + 1993 x 1994
= 1
A = 1995 x 1993 - 18 / 1975 + 1993 x 1994= (1994 + 1) x 1993 - 18 / 1975 + 1993 x 1994= 1994 x 1993 + 1993 - 18 / 1975 + 1993 x 1994= 1994 x 1993 + 1975 / 1975 + 1993 x 1994= 1
A = 1995 x 1993 - 18/1975 + 1993 x 1994
= ( 1994 + 1 ) x 1993 - 18/1975 + 1993 x 1994
= 1994 x 1993 + 1993 - 18/1975 + 1993 x 1994
= 1994 x 1993 + 1975/1975 + 1993 x 1994
= 1