125*(7*4)*9 = = = = = = = (简便计算)
收藏:
0
点赞数:
0
评论数:
0
3个回答

125*(7*4)*9

=(125*4)*(7*9)

=500*63

=31500

点赞数:
0
评论数:
0
关注公众号
一起学习,一起涨知识