作业帮计算：3x²-[5x-(1/2x-3)+2x²]
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/28 09:31:20
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计算：3x²-[5x-(1/2x-3)+2x²]
计算：3x²-[5x-(1/2x-3)+2x²]
计算：3x²-[5x-(1/2x-3)+2x²]
