简便计算: 137+137×99、101×64-64
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 07:53:17
![简便计算: 137+137×99、101×64-64](/uploads/image/z/434240-8-0.jpg?t=%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%EF%BC%9A+137%2B137%C3%9799%E3%80%81101%C3%9764-64)
简便计算: 137+137×99、101×64-64
简便计算: 137+137×99、101×64-64
简便计算: 137+137×99、101×64-64
137+137×99
=137×(1+99)
=137×100
=13700
101×64-64
=(101-1)×64
=100×64
=6400
137+137×99
=137×﹙1+99﹚
=137×100
=13700
101×64-64
=﹙101-1﹚×64
=100×64
=6400
137-是哦