计算：-八年级数学

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• 计算：．-八年级数学
• 下列整数中与最接近的数是（）A．2B．4C．15D．16-八年级数学
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• -八年级数学
• 计算：．-八年级数学
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• （1）（2）-八年级数学
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• 计算=___________．-八年级数学
• We _____to Sydney next Monday. What about having a party this weekend?A．have flownB．flewC．are flying
• 计算：＝▲．-八年级数学
• 函数中自变量x的取值范围是A．x≥0.B．x≥-2.C．x≥2.D．x≤-2.-八年级数学
• 函数中，自变量x的取值范围是_________-八年级数学
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• 计算：-九年级数学
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• 函数y＝＋中自变量x的取值范围是（）A．x≤2B．x＝1C．x＜2且x≠1D．x≤2且x≠1-九年级数学
• 下列计算正确的是（）A．=-2B．="0"C．(π-3.14)0=1D．=-2-九年级数学