6又4/5*31.4+43又9/10*3.2同仁们!我要方法!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 02:59:12
![6又4/5*31.4+43又9/10*3.2同仁们!我要方法!](/uploads/image/z/765704-56-4.jpg?t=6%E5%8F%884%2F5%2A31.4%2B43%E5%8F%889%2F10%2A3.2%E5%90%8C%E4%BB%81%E4%BB%AC%21%E6%88%91%E8%A6%81%E6%96%B9%E6%B3%95%21)
6又4/5*31.4+43又9/10*3.2同仁们!我要方法!
6又4/5*31.4+43又9/10*3.2
同仁们!我要方法!
6又4/5*31.4+43又9/10*3.2同仁们!我要方法!
6又4/5*31.4+43又9/10*3.2
=6.8x31.4+43.9x3.2
=6.8x31.4+(31.4+12.5)x3.2
=6.8x31.4+31.4x3.2+12.5x3.2
=31.4x(6.8+3.2)+1.25x32
=314+1.25x4x8
=354行吗?