3928+197简便计算怎么做?要用递等式计算!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 10:41:28
![3928+197简便计算怎么做?要用递等式计算!](/uploads/image/z/757370-2-0.jpg?t=3928%2B197%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E6%80%8E%E4%B9%88%E5%81%9A%3F%E8%A6%81%E7%94%A8%E9%80%92%E7%AD%89%E5%BC%8F%E8%AE%A1%E7%AE%97%EF%BC%81)
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3928+197简便计算怎么做?要用递等式计算!
3928+197简便计算怎么做?
要用递等式计算!
3928+197简便计算怎么做?要用递等式计算!
3928+197
=3930-2+200-3
=4130-5
=4125
=3920+200+8-3