用简便方法计算4分之3×16+4分之3×5-4分之330.6-(18.6+12×4分之3)7分之4÷21分之4×x=9分之8解比例
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 18:21:53
![用简便方法计算4分之3×16+4分之3×5-4分之330.6-(18.6+12×4分之3)7分之4÷21分之4×x=9分之8解比例](/uploads/image/z/240751-55-1.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%974%E5%88%86%E4%B9%8B3%C3%9716%EF%BC%8B4%E5%88%86%E4%B9%8B3%C3%975%EF%BC%8D4%E5%88%86%E4%B9%8B330%EF%BC%8E6%EF%BC%8D%EF%BC%8818%EF%BC%8E6%EF%BC%8B12%C3%974%E5%88%86%E4%B9%8B3%EF%BC%897%E5%88%86%E4%B9%8B4%C3%B721%E5%88%86%E4%B9%8B4%C3%97x%EF%BC%9D9%E5%88%86%E4%B9%8B8%E8%A7%A3%E6%AF%94%E4%BE%8B)
用简便方法计算4分之3×16+4分之3×5-4分之330.6-(18.6+12×4分之3)7分之4÷21分之4×x=9分之8解比例
用简便方法计算
4分之3×16+4分之3×5-4分之3
30.6-(18.6+12×4分之3)
7分之4÷21分之4×x=9分之8
解比例
用简便方法计算4分之3×16+4分之3×5-4分之330.6-(18.6+12×4分之3)7分之4÷21分之4×x=9分之8解比例
4分之3×16+4分之3×5-4分之3
=4分之3×(16+5-1)
=4分之3×20
=15
30.6-(18.6+12×4分之3)
=30.6-(18.6+9)
=30.6-18.6-9
=12-9
=3
4/7*4/21x=8/9
3x=8/9
x=8/27