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??????2015-2016?????????????(???)
2015-2016?????????????
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4.???3x2y2m?3??x2y??????m???? ? A. 1 B. 2C. 0 D. ?2
1??x5.?x?3??y???0??y?? ? 2??
A. ?23311B. C. ? D. ??1? 2288
6.??????????????????1??????AOC?20???BOD????? ?A?10 B?20C?70 D?80
7.???????????????? ?
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8.??????200????6????????20%??????????? ?
A?100? B?105? C?108? D?118?
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2015-2016???????????????
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1. ?????2???+2????-3???
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5. ?????ax?bx?????????????????
A. a=b=0B.a=b=x=0C.a?b=0 D.a+b=0
6?????????
A.2a?2b?4ab B.3x?x?2C.5mn?5nm?0 D.a?a?a
7???1?????????????????????????????????
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A??1B??2C??3D??4
9. ?a?0??a?-a??????
A?a?-a B?a?-a C?a=-aD?????
10. ???5??????????????????????????4?3?8?2?8?
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A?8?8?5B?5?8?5 C?4?4?5 D?8?4?5
1
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