4356+287-356怎么简便计算?

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4356+287-356怎么简便计算?4356+287-356怎么简便计算?4356+287-356怎么简便计算?很简单啊4356+287-356=4356-356+287=4000+287=4287

4356+287-356怎么简便计算?
4356+287-356怎么简便计算?

4356+287-356怎么简便计算?
很简单啊4356+287-356=4356-356+287=4000+287=4287

4356+287-356
=4356-356+287
=4000+287
=4287

4356-356+287=4000+287=4287
给赞,采纳啊

4356+287-356
=4356-356+287
=4000+287
=4287