132+77+198
=11 x 12+11 x 7+11 x 18
=11 x (12+7+18)
=11 x 37
5555+4747+6363
=55 x 101+47 x 101+63 x 101
=(55+47+63) x 101
=165 x 101
1997,1997+1998,1998+1999,1999
=1997 x 1,0001+1998 x 1,0001+1999 x 1,0001
=(1997+1998+1999) x 1,0001
=5994 x 1,0001
132 + 77 + 198
= 11 x 12 + 11 x 7 + 11 x 18
= 11 x (12 + 7 + 18)
= 11 x 37
5555 + 4747 + 6363
= 55 x 101 + 47 x 101 + 63 x 101
= 101 x (55 + 47 + 63)
= 101 x 165
1997,1997 + 1998,1998 + 1999,1999
= 1997 x 1,0001 + 1998 x 1,0001 + 1999 x 1,0001
= 1,0001 x (1997 + 1998 + 1999)
= 1,0001 x 5994