233×58-58×9(简便方式计算

233×58-58×9(简便方式计算
2025-03-06 19:43:19
推荐回答(1个)
回答1:

233×58-58×9
=(233-9)×58
=224×58
=224×(60-2)
=224×60-224×2
=13440-448
=12992