2.460.8+1.230.4＝,脱式计算,

分类: 作业答案 • 2022-01-09 18:05:21

问题描述：

2.46*0.8+1.23*0.4＝,脱式计算,

答

2.46*0.8+1.23*0.4
=2.46*0.8+1.23*2*0.2
=2.46*0.8+2.46*0.2
=2.46*(0.8+0.2)
=2.46*1
=2.46

2.46*0.8+1.23*0.4＝,脱式计算,