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答案:
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1.243)(-1,2)x2=-1236
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2.已知A、(1,2)B、[1,2]C、[1,2)D、(1,2]
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3.BC图243
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4.( 242~243 共用备选答案)
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5.5(n=1,2
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6.LOCTITE 乐泰243是一种()
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7.已知函数 f(x)=-x2,则f(-x)=x2
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8.If x1 + x2 ≤ 500y1 and y1 is 0 - 1, then if y1 is 0, x1 and x2 will be 0.
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9.1,2/3,5/9,(),7/15,4/9
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10.35(x √-x2)2dr=