巧算:599998+59998+5998+598+58?

2025-12-18 01:54:18
推荐回答(3个)
回答1:

599998+59998+5998+58
=600000+60000+6000+60-2-2-2-2
=666060-8
=666052

回答2:

=(600000-2)+(60000-2)+(6000-2)+(600-2)+(60-2)
=666660-10
=666650

回答3:

OK