546+785-146怎么简算?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/16 01:24:45
546+785-146怎么简算?546+785-146怎么简算?546+785-146怎么简算?546-146+785=400+785=1185

546+785-146怎么简算?
546+785-146怎么简算?

546+785-146怎么简算?
546-146+785
=400+785
=1185