2013 x 867 + 132 x 2013 + 2083
= 2013 x 867 + 132 x 867 + 2013 + 70
= 2013 x ( 867 + 132 + 1 ) + 70
= 2013 x 1000 + 70
= 2013070
2013 x 867 + 132 x 2013 + 2013 + 70
= 2013 ( 867 + 132 + 1 ) + 70
= 2013 x 1000 + 70
= 2013070
hok tốt
[ Giải: ]
= 2013 . 867 + 2013 . 132 + 2013 + 70
= 2013 . ( 867 + 132 + 1 ) + 70
= 2013 . 1000 + 70
= 20 130 000 + 70
= 20 130 070
[ Hoq chắc ]