简算:2.46*9.9+0.246急

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 02:24:20

简算:2.46*9.9+0.246急
简算:2.46*9.9+0.246

简算:2.46*9.9+0.246急
2.46*9.9+0.246
=0.246*10*9.9+0.246
=0.246*99+0.246
=0.246*(99+1)
=0.246*100
=24.6