当x=（）时，互为相反数-八年级数学

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• 的值是1，则x的值满足[]A.x≥0B.x>6C.x≥0，且x≠6D.x≠6-八年级数学
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• 规定，若，则x为()-八年级数学
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• 解方程-八年级数学
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• 解方程：。-八年级数学
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• 解方程：。-八年级数学
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• 已知关于x的方程的解为，则m=（）。-八年级数学
• （1）计算；（2）解方程+=2。-八年级数学