26x9.9一3.6简便方法怎么算?

2025-06-22 00:30:23
推荐回答(1个)
回答1:

26x9.9一3.6
=26x(10-0.1)-3.6
=26x10-26x0.1-3.6
=260-(2.6+3.6)
=260-6.2
=253.8
望采纳,谢谢