用不等式表示:x是正数_____b不大于3_____的2倍与5的差是非负数_______2、如果a>b,2a_____2b; ;-2a____-2b.3.当x____________时,代数式-3x+5的值不大于4.4.如图所示的不等式的解集表示___________5、
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![用不等式表示:x是正数_____b不大于3_____的2倍与5的差是非负数_______2、如果a>b,2a_____2b; ;-2a____-2b.3.当x____________时,代数式-3x+5的值不大于4.4.如图所示的不等式的解集表示___________5、](/uploads/image/z/4351222-46-2.jpg?t=%E7%94%A8%E4%B8%8D%E7%AD%89%E5%BC%8F%E8%A1%A8%E7%A4%BA%EF%BC%9Ax%E6%98%AF%E6%AD%A3%E6%95%B0_____b%E4%B8%8D%E5%A4%A7%E4%BA%8E3_____%E7%9A%842%E5%80%8D%E4%B8%8E5%E7%9A%84%E5%B7%AE%E6%98%AF%E9%9D%9E%E8%B4%9F%E6%95%B0_______2%E3%80%81%E5%A6%82%E6%9E%9Ca%26gt%3Bb%2C2a_____2b%EF%BC%9B+%EF%BC%9B-2a____-2b.3%EF%BC%8E%E5%BD%93x____________%E6%97%B6%2C%E4%BB%A3%E6%95%B0%E5%BC%8F%EF%BC%8D3x%2B5%E7%9A%84%E5%80%BC%E4%B8%8D%E5%A4%A7%E4%BA%8E4%EF%BC%8E4%EF%BC%8E%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%E7%9A%84%E4%B8%8D%E7%AD%89%E5%BC%8F%E7%9A%84%E8%A7%A3%E9%9B%86%E8%A1%A8%E7%A4%BA___________5%E3%80%81)
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