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???2014??????????
2014---2015?????????????????
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3????????????? ?
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A?8 cmB?12 cmC?11 cm D?10 cm 7???x2?5xy?6y2?0??y:x?? ? ?
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A??B?2?3C??1D?6?1
326
8???????????
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9.????????ABCD?????????????????? ? A.?AB=BC?????? B.?AC?BD?????? C.??ABC=90?????? D.?AC=BD???????
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9.??????????????????????????????????????????????????????????????????
10.?????????????????????????????????????????????????????? A????L1?L2???? B????L1?L2???? C????R1?R2???? D????R1?R2????
11.????????????????R1????????S???????????
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14.???????????????????????????????
15.???????????????????????????
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17.???????????_________??????????
18.???????____________????????????
19.????????????????????1.410J/kg?????3kg????????____J?
20.?1min??15C?????????????????????_______A?
21.R1?R2???????R???R:R2?3:7????R1?R2??????______?
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24.????????????_______A?
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2012?2013????????????
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1. ??x=2???????x2-mx+2=0??????m???? ?
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2.??????????????????A???B??????????
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A?????
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y
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A?20?16B? 20 C? 16D????????
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6.?????????????(?1?y1)?
A? ?? B???? C???D? ????
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7.?????ABC??AD?BC??D??AD=BC???ABC??????? ?
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B? 75 C? 60 D? 45?75
8.??????ABCD???A=60?E?F???AB?AD????DE?BF
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14.???????ABCD????AC?BD?????6cm?8cm?AE?BC?
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(1) 2?x-3?=3x?x-3? (2)x?2x?2x?1
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21. (10?)??????????????????40??????60???????????100???????????????????2?????????????20??????????????????????2240??????
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