求48×99×25的简便算法
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 17:06:59
![求48×99×25的简便算法](/uploads/image/z/67665-57-5.jpg?t=%E6%B1%8248%C3%9799%C3%9725%E7%9A%84%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95)
求48×99×25的简便算法
求48×99×25的简便算法
求48×99×25的简便算法
=12×4×25×99
=12×100×(100-1)
=1200×100-1200×1
=120000-1200
=118800
=4x12x99x25
=100x12x99
=1200x(100-1)
=120000-1200
=118800
=4×12×25×99
=1200×99
=1200×(100-1)
=120000-1200
=118800