利用因式分解计算:3.68*15.7-31.4+15.7*0.32=
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/23 19:14:56
![利用因式分解计算:3.68*15.7-31.4+15.7*0.32=](/uploads/image/z/602877-21-7.jpg?t=%E5%88%A9%E7%94%A8%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E8%AE%A1%E7%AE%97%EF%BC%9A3.68%2A15.7-31.4%2B15.7%2A0.32%3D)
利用因式分解计算:3.68*15.7-31.4+15.7*0.32=
利用因式分解计算:3.68*15.7-31.4+15.7*0.32=
利用因式分解计算:3.68*15.7-31.4+15.7*0.32=
3.68*15.7-31.4+15.7*0.32
=3.68*15.7-15.7×2+15.7*0.32
=15.7×(3.68-2+0.32)
=15.7×2
=31.4
3.68*15.7-31.4+15.7*0.32
=3.68*15.7-15.7×2+15.7*0.32
=15.7×(3.68-2+0.32)
=15.7×2
=31.4