1.从28、32、7、8、5这五个数中选出四个组成比例.( ):( )=( ):( )( ):( )=( ):( )( ):( )=( ):( )( ):( )=( ):( )2.把一个三角形(高12厘米 底9厘米
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![1.从28、32、7、8、5这五个数中选出四个组成比例.( ):( )=( ):( )( ):( )=( ):( )( ):( )=( ):( )( ):( )=( ):( )2.把一个三角形(高12厘米 底9厘米](/uploads/image/z/3860846-62-6.jpg?t=1.%E4%BB%8E28%E3%80%8132%E3%80%817%E3%80%818%E3%80%815%E8%BF%99%E4%BA%94%E4%B8%AA%E6%95%B0%E4%B8%AD%E9%80%89%E5%87%BA%E5%9B%9B%E4%B8%AA%E7%BB%84%E6%88%90%E6%AF%94%E4%BE%8B.%EF%BC%88+%EF%BC%89%EF%BC%9A%EF%BC%88+%EF%BC%89%3D%EF%BC%88+%EF%BC%89%EF%BC%9A%EF%BC%88+%EF%BC%89%EF%BC%88+%EF%BC%89%EF%BC%9A%EF%BC%88+%EF%BC%89%3D%EF%BC%88+%EF%BC%89%EF%BC%9A%EF%BC%88+%EF%BC%89%EF%BC%88+%EF%BC%89%EF%BC%9A%EF%BC%88+%EF%BC%89%3D%EF%BC%88+%EF%BC%89%EF%BC%9A%EF%BC%88+%EF%BC%89%EF%BC%88+%EF%BC%89%EF%BC%9A%EF%BC%88+%EF%BC%89%3D%EF%BC%88+%EF%BC%89%EF%BC%9A%EF%BC%88+%EF%BC%892.%E6%8A%8A%E4%B8%80%E4%B8%AA%E4%B8%89%E8%A7%92%E5%BD%A2%EF%BC%88%E9%AB%9812%E5%8E%98%E7%B1%B3+%E5%BA%959%E5%8E%98%E7%B1%B3)
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