888×99+999×88简便计算限在清明节前回答!

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/27 21:30:46

888×99+999×88简便计算
限在清明节前回答!

888×99+999×88
=888*(100-1)+88*(1000-1)
=88800-888+88000-88
=175824 吧.

=111x8x11x9+111x9+11x8
=999x88+999x88
=1000x88+98x88
=96624
请采纳!!!!!!

99=100-1
999=1000-1
888×99+999×88
=88800-88+88000-88
=176624