5252*48-4848*52的简便算法
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 22:09:43
![5252*48-4848*52的简便算法](/uploads/image/z/1122425-17-5.jpg?t=5252%2A48-4848%2A52%E7%9A%84%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95)
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5252*48-4848*52的简便算法
5252*48-4848*52的简便算法
5252*48-4848*52的简便算法
5252*48-4848*52
=(5050+202)×48-(5050-202)×52
=5050×48+202×48-5050×52+202×52
=5050(48-52)+202(48+52)
=5050×(-4)+202×100
=-20200+20200
=0