4.8*0.23+0.48*7.7怎么简便计算

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/13 15:51:11
4.8*0.23+0.48*7.7怎么简便计算4.8*0.23+0.48*7.7怎么简便计算4.8*0.23+0.48*7.7怎么简便计算4.8*0.23+0.48*7.7=4.8*0.23+4.8*

4.8*0.23+0.48*7.7怎么简便计算
4.8*0.23+0.48*7.7怎么简便计算

4.8*0.23+0.48*7.7怎么简便计算
4.8*0.23+0.48*7.7
=4.8*0.23+4.8*0.77
=4.8*(0.23+0.77)
=4.8

4.8(0.23+0.77)

4.8*0.23+0.48*7.7
=4.8*0.23+0.48*7.7*10/10
=4.8*0.23+0.48*10*7.7/10
=4.8*0.23+4.8*7.7/10
=4.8*(0.23+0.77)
=4.8