485
x 207
-----------
3395
970
------------
100395
36770
x 36
--------------
220620
110310
-----------------
1323720
485 x 207=100395
36770 x 36=1323720
Đặt tính:
485 x 207
405
x
207
========
2835
000
810
========
83835
485 x 207 = 83835
_________________
36770 x 36
36770
x
36
========
220620
110310
========
1323720
36770 x 36 = 1323720.
485
x
207
----------------
3395
000
970
-----------------
100395
36770
x
36
-----------------
220620
110310
-----------------
1323720