天空1)( )x9/10=3/7除以( )2)a除以5=ax( )3)把2/7吨平均分成( )份,每份是1/21吨.4)2米的3/8和( )米的3/4相等.5)男生比女生人数多1/4,男生和女生人数的最简单的整数比是( )6)如
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![天空1)( )x9/10=3/7除以( )2)a除以5=ax( )3)把2/7吨平均分成( )份,每份是1/21吨.4)2米的3/8和( )米的3/4相等.5)男生比女生人数多1/4,男生和女生人数的最简单的整数比是( )6)如](/uploads/image/z/5963474-2-4.jpg?t=%E5%A4%A9%E7%A9%BA1%EF%BC%89%EF%BC%88+%EF%BC%89x9%2F10%3D3%2F7%E9%99%A4%E4%BB%A5%EF%BC%88+%EF%BC%892%EF%BC%89a%E9%99%A4%E4%BB%A55%3Dax%EF%BC%88+%EF%BC%893%EF%BC%89%E6%8A%8A2%2F7%E5%90%A8%E5%B9%B3%E5%9D%87%E5%88%86%E6%88%90%EF%BC%88+%EF%BC%89%E4%BB%BD%2C%E6%AF%8F%E4%BB%BD%E6%98%AF1%2F21%E5%90%A8.4%EF%BC%892%E7%B1%B3%E7%9A%843%2F8%E5%92%8C%EF%BC%88+%EF%BC%89%E7%B1%B3%E7%9A%843%2F4%E7%9B%B8%E7%AD%89.5%EF%BC%89%E7%94%B7%E7%94%9F%E6%AF%94%E5%A5%B3%E7%94%9F%E4%BA%BA%E6%95%B0%E5%A4%9A1%2F4%2C%E7%94%B7%E7%94%9F%E5%92%8C%E5%A5%B3%E7%94%9F%E4%BA%BA%E6%95%B0%E7%9A%84%E6%9C%80%E7%AE%80%E5%8D%95%E7%9A%84%E6%95%B4%E6%95%B0%E6%AF%94%E6%98%AF%EF%BC%88+%EF%BC%896%EF%BC%89%E5%A6%82)
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