问几道六年级下学期的数学题.1.一块长方形菜地的长是二十米,长与宽的比是五比二.这块菜地的面积有多大?2.2:1=28:( ) 8.4:6=( ):5 三分之一:五分之一=5:( ) 1.5:3=( )3.448:( )=3.6:9 8:2=24:
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![问几道六年级下学期的数学题.1.一块长方形菜地的长是二十米,长与宽的比是五比二.这块菜地的面积有多大?2.2:1=28:( ) 8.4:6=( ):5 三分之一:五分之一=5:( ) 1.5:3=( )3.448:( )=3.6:9 8:2=24:](/uploads/image/z/2111730-42-0.jpg?t=%E9%97%AE%E5%87%A0%E9%81%93%E5%85%AD%E5%B9%B4%E7%BA%A7%E4%B8%8B%E5%AD%A6%E6%9C%9F%E7%9A%84%E6%95%B0%E5%AD%A6%E9%A2%98.1.%E4%B8%80%E5%9D%97%E9%95%BF%E6%96%B9%E5%BD%A2%E8%8F%9C%E5%9C%B0%E7%9A%84%E9%95%BF%E6%98%AF%E4%BA%8C%E5%8D%81%E7%B1%B3%2C%E9%95%BF%E4%B8%8E%E5%AE%BD%E7%9A%84%E6%AF%94%E6%98%AF%E4%BA%94%E6%AF%94%E4%BA%8C.%E8%BF%99%E5%9D%97%E8%8F%9C%E5%9C%B0%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%9C%89%E5%A4%9A%E5%A4%A7%3F2.2%3A1%3D28%EF%BC%9A%28+%29+8.4%3A6%3D%28+%29%EF%BC%9A5+%E4%B8%89%E5%88%86%E4%B9%8B%E4%B8%80%EF%BC%9A%E4%BA%94%E5%88%86%E4%B9%8B%E4%B8%80%3D5%EF%BC%9A%EF%BC%88+%EF%BC%89+1.5%EF%BC%9A3%3D%28+%293.448%3A%EF%BC%88+%EF%BC%89%3D3.6%3A9+8%3A2%3D24%EF%BC%9A)
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