(-0.2)^3*(-50)+(-1又2/5)^3*(-5/7)^3 (-0.2)的立方*(-50)+(-1又2/5)的立方*(-5/7)的立方
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 12:59:27
![(-0.2)^3*(-50)+(-1又2/5)^3*(-5/7)^3 (-0.2)的立方*(-50)+(-1又2/5)的立方*(-5/7)的立方](/uploads/image/z/991860-60-0.jpg?t=%28-0.2%29%5E3%2A%28-50%29%2B%28-1%E5%8F%882%2F5%29%5E3%2A%28-5%2F7%29%5E3+%28-0.2%29%E7%9A%84%E7%AB%8B%E6%96%B9%2A%28-50%29%2B%28-1%E5%8F%882%2F5%29%E7%9A%84%E7%AB%8B%E6%96%B9%2A%28-5%2F7%29%E7%9A%84%E7%AB%8B%E6%96%B9)
(-0.2)^3*(-50)+(-1又2/5)^3*(-5/7)^3 (-0.2)的立方*(-50)+(-1又2/5)的立方*(-5/7)的立方
(-0.2)^3*(-50)+(-1又2/5)^3*(-5/7)^3 (-0.2)的立方*(-50)+(-1又2/5)的立方*(-5/7)的立方
(-0.2)^3*(-50)+(-1又2/5)^3*(-5/7)^3 (-0.2)的立方*(-50)+(-1又2/5)的立方*(-5/7)的立方
(-0.2)^3*(-50)+(-1又2/5)^3*(-5/7)^3
=-0.008×(-50)+(7/5×5/7)^3
=0.4+1
=1.4
(-0.2)^3*(-50)+(-1又2/5)^3*(-5/7)^3
=0.008x50+(7/5x5/7)^3
=0.4+1
=1.4