(-1/6+3/4-1/12)*(-48)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 12:32:09
![(-1/6+3/4-1/12)*(-48)](/uploads/image/z/1562977-1-7.jpg?t=%28-1%2F6%2B3%2F4-1%2F12%29%2A%28-48%29)
(-1/6+3/4-1/12)*(-48)
(-1/6+3/4-1/12)*(-48)
(-1/6+3/4-1/12)*(-48)
【先去负号】
(-1/6+3/4-1/12)*(-48)
=(1/6-3/4+1/12)*48
=8-36+4
=-24
解(-1/6+3/4-1/12)*(-48)
=(-1/6)*(-48)+(3/4)*(-48)+(-1/12)*(-48)
=8-36+4
=-24