9.8*0.74+0.148的简便运算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 20:00:59
![9.8*0.74+0.148的简便运算](/uploads/image/z/134558-62-8.jpg?t=9.8%2A0.74%2B0.148%E7%9A%84%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
9.8*0.74+0.148的简便运算
9.8*0.74+0.148的简便运算
9.8*0.74+0.148的简便运算
=9.8*0.74+0.2*0.74
=(9.8+0.2)*0.74
=10*0.74
=7.4
9.8*0.74+0.148
=(10-0.2)*0.74+0.148
=7.4
=(98*74+148)/1000
=[(100-2)*74+148]/1000
=[7400-2*74+148]/1000