13.6×68-13.6×32-3.6×36÷0.1用巧算怎么算?

2025-04-20 09:35:17
推荐回答(1个)
回答(1):

13.6×68-13.6×32-3.6×36/0.1
=13.6×(68-32)-36×36
=13.6×36-36×36
=36×(13.6-36)
=36×(-22.4)
=-806.4