下列运算正确的是[]A．=-13B．-=1C．-3+=-2D．=±6-八年级数学

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• 计算的结果是[]A．B．2C．D．1.4-八年级数学
• 计算：+|-|+（-2）3-+-八年级数学
• 计算：=（）。-九年级数学
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• 化简：=（）。-九年级数学
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• 计算：（）-九年级数学
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• 计算-=（）-九年级数学
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