用简便方法计算.4.05÷[1.8×(3.36-2.86)] =
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 00:01:45
![用简便方法计算.4.05÷[1.8×(3.36-2.86)] =](/uploads/image/z/1958847-15-7.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97.4.05%C3%B7%5B1.8%C3%97%EF%BC%883.36%EF%BC%8D2.86%EF%BC%89%5D+%EF%BC%9D)
用简便方法计算.4.05÷[1.8×(3.36-2.86)] =
用简便方法计算.4.05÷[1.8×(3.36-2.86)] =
用简便方法计算.4.05÷[1.8×(3.36-2.86)] =
4.05÷[1.8×(3.36-2.86)]
=4.05÷(1.8×.5)
=4.5×0.9÷1.8÷5
=4.5÷5×(0.9÷1.8)
=0.9×0.5
=0.45