Question

666×27+222×19用简便算法怎么算

Answer 1

666×27+222×19＝222×3×27+222×19＝222(3×27+9)＝222×100＝22200

Answer 2

666x27+222x19=222x81+222x19=222x(81+19)=222x100=22200

Answer 3

666×27+222×19
=222X(81+19)
=222X100
=22200