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发表于 2019-9-13 23:46:11 | 显示全部楼层 |阅读模式
???2014???????????????????00

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1. ???????????P??3?4???? ?

A????? B????? C????? D?????

2.?????????300?????????????????50????????????????????????? ?

A?300??????B????????

C?50???????????? D????????50

3.?????????0.8cm/s?????????????5m/s??????????150m????????????????( )

A?22cm B?23cm C?24cmD?25cm

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A?a?4 B?a?4 C?a?4D?a?4

5.????????????????????????????????????????????????????????????????????????????????()

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6.??????????? ?

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11.??a?b??????????a?b? ?

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23.?????????????????????????????????????????????????????1??2??????

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2015???????????????(1)

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A?22cm B?23cm C?24cmD?25cm 4??????

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3

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DA

17??????????? ?????? ????? ?????? ????????????????????????

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A

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C

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24.????????????????:

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11.7,7,-2 12. x?6

13.? 14.?????? 15. 4016. 400

17. ???18. x=5,y=3 ????????46?? 19. ?:?????????

x?3x+6?4?????x?1? ?????????2(2x?1)?5(x+1)?

? 4x?2?5x+5?????x??7? ? ??????????7?x?1? ???????????

20. ???????? ?

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3

? 2

3?

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21. ?B=?C? ???

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22.?:???AFE=90,

???AEF=90-?A=90-35=55.

???CED=??AEF=55,


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