（-2006）0=（）-七年级数学

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• The man moved forward and looked over the edge,shrinking his shoulders.A．accuratelyB．cautiouslyC．bri
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• 计算：20120+(13)-2-|2-3|-1-3．-数学
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• 2x3y-23x-1y化简的结果为______．-数学
• 整数指数幂：零指数：______；负整数指数幂：______．-数学
• 若(x-12)0无意义，则x的值为______．-数学
• 下列计算正确的是（）A．20090=0B．（12）-2=-14C．（a-3）2=a9D．a2÷a-3=a5（a≠0）-数学
• 30-2-1=______．-数学
• It turned out that his pulse beats ____ , which made us relieved.A．generallyB．usuallyC．regularlyD．or
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• ______ intelligence, you are no worse than others. It is your attitude that makes the greatest diffe
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• （1）计算：8-(3-1)0+(12)-2-4sin45°；（2）化简：x-1x+2÷x2-2x+1x2-4+1x-1．-数学
• 计算：（1）30-2-3+(-3)2-(14)-1（2）（-2a2b3）4+（-a）8•（2b4）3（3）（-3ab）（2a2b+ab-1）（4）（p-q）6÷[（p-q）2（q-p）3]（5）xm•
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• 计算：4-2×(12)-1+(2-1)0．-数学
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• 下列计算正确的是（）A．a-8÷a-2=a4B．a-3÷a-2=a-5C．(-a)-2=-1a2D．（a-2）-3=a6-数学
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• 计算：20120+|-14|+4-2-2．-数学
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• 计算2-3的结果是（）A．-6B．-8C．-18D．18-数学
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