怎样简便计算4.68*35.1+46.8*5.34+0.468*115
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 23:49:39
![怎样简便计算4.68*35.1+46.8*5.34+0.468*115](/uploads/image/z/186171-51-1.jpg?t=%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%974.68%2A35.1%2B46.8%2A5.34%2B0.468%2A115)
怎样简便计算4.68*35.1+46.8*5.34+0.468*115
怎样简便计算4.68*35.1+46.8*5.34+0.468*115
怎样简便计算4.68*35.1+46.8*5.34+0.468*115
观察三个数,它们有相同的468,所以可以配成相同的数,再提出来.
4.68*35.1+46.8*5.34+0.468*115
=4.68*35.1+4.68*53.4+4.68*11.5
=4.68*(35.1 + 53.4 + 11.5)
=4.68 * 100
=468
4.68*35.1+46.8*5.34+0.468*115
=468*0.351+468*0.534+468*0.115
=468*(0.351+0.534+0.115)
=468*1
=468
给分!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!