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23. ijˮ¹ûÐÐÂôÒ»Ñù´óСµÄÆ»¹ûÿ¸ö60Ôª£¬Âò10¸ö¸½Ôù°ü×°ÀñºÐ£¬

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24. Ò»ÏäÆ»¹û900Ôª£¬¼×ÄÃÁËÒ»°ë¶à2¿Å;ÒÒÄÃÁËʣϵÄÒ»°ë¶à2¿Å;

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25. ijˮ¹ûÐÐÒÔÿ¹«½ïxÔªÂò½øÈô¸É¹«½ïµÄÏ㽶ÔÙÒÔÿ̨½ïxÔªÊÛ³ö

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26. ÂèÂèÓÐÒ»Ôª¡¢ÎåÔª¡¢Ê®ÔªÓ²±Ò¹²520Ôª.Ò»ÔªÓ²±ÒΪʮԪÂèÂèÓÐÒ»Ôª¡¢ÎåÔª¡¢Ê®ÔªÓ²±Ò¹²520Ôª.

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27. ¼×ÒÒ¹²ÓÐ300Ôª£¬½ñÌìÁ½È˵½Êг¡Âò¶«Î÷

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28. СÖÇÓÐÈôǧԪ½ñÌìµ½¼ÆËã»úÂô³¡Âò¶«Î÷ÓÃ4/5µÄÇ®ÂòËæÉíµú

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29. ÒÑÖª´ÙÏúÆÚ¼äС·¼´ø×ß4¼þÒ·þ¼°1Ìõ¶¨¼ÛÔª450µÄƤ´ø

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30. ÂèÂèÔÚÒ¹ÊÐÂòÁËÒ»¼þÒÀ¶¨¼Û´ò8ÕÛµÄÍâÌ×£¬¼Û¸ñ±È¶¨¼Û±ãÒË180Ôª

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31. ijµçÐŹ«Ë¾ÍƳöÊÖ»úÔÂ×â·Ñ260Ôª£¬Ãâ·Ñͨ»°1Сʱ

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32. ²èÊ®ÈýÒûÁϵê¹óµÄºì²è±ÈÄûÃÊÖ­±ãÒË5Ôª£¬Ð¡Ã÷ÂòÁË5±­ºì²è

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33. ΢·ç°Ù»õ¹«Ë¾¾Ù°ìÄêÖÕ´ó˦ÂôÔ­¼ÛxԪƤЬȫ²¿ÒÔ2/5x+100

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34. ÏÂÁкÎÕßΪһԪһ´Î·½³Ìʽ2x¨C9¨Cx/3=11µÄ½â

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35. °Ö°ÖÏòÒøÐнè62500Ôª£¬ÒøÐÐÒÔÄêÀûÂÊx%¸´Àû¼ÆËã

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36. ij¼þÍâÌ×Ôð220Ôª£¬Ã¿Ìì¿É¹ó1000¼þ¡£Èôÿ½µ¼Û10Ôª£¬

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37. ÈôÒ»Ôª¶þ´Î·½³Ìʽ ¦Áx(x+l)+( x+1)(x+2)+bx(x+2)=2

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38. ÈôÒ»Ôª¶þ´Î·½³Ìʽx2-30x+k=0µÄÁ½¸ù¾ùΪÖÊÊý

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40. ÒÑÖªÒ»Ôª¶þ´Î·½³Ìʽ4x2-9x-m =OµÄÒ»¸ùžé-3/4

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