90万-304×287的简便运算怎么做?

2025-03-12 02:53:42
推荐回答(2个)
回答1:

简便计算
900000-304×287
=900000-300x287-4x287
=900000-86100-1148
=813900-1148
=812752

回答2:

287*101-287
=287*(101-1)
=287*100
=28700