2002 x 8648 + 2002 x 1352 + (1352-352)
=2002 x (8648+1352) + 1000
= 2002 x 10000 +1000
=20020000+1000
=20021000
Nha bạn
= 2002 x 8648 +2002 x1352 + 1352 - 352= 2002x(8648 + 1352) + 1000=20021000
2002x8648+2002x1352+1352-352
=2002x(8648+1352)+1352-352
=2002x10000+1352-352
=20020000+1352 -352