5555 + 6767 +7878
= 55 x101 +67x101 + 78x 101
= 101 x( 55 + 6 7 +78 )
=101 x 200
= 55 * 11 + 67 * 11 + 78 * 11
= 101 * ( 55 + 67 + 78 )
= 101 * 200
= 20200
5555 + 6767 + 7878
= 55 x 101 + 67 x 11 + 78 x 11
= 101 x ( 55 + 67 +78 )
= 101 x 200
= 20200
5555+6767+8787
=55*101+67*101+78*101
=101*[55+67+78]
=101*200=20200
k cho mình nha
5555 + 6767 +7878
= 55 x101 +67x101 + 78x 101
= 101 x( 55 + 6 7 +78 )
=101 x 200