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type=first
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type=numbers gapfill
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textarea="explain"
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textarea="explain"
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iEdit="explain"
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random="a b c d"
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random="a b c d"
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computed="ans"
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computed="ans"
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:´ø 4 ¸öËæ»ú²ÎÊýµÄÊýÖµÎÊÌâ.
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:´ø 4 ¸öËæ»ú²ÎÊýµÄÊýÖµÎÊÌâ.
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¸ù¾Ý²»Í¬µÄ¹«Ê½, ´Ó 4 ¸ö²ÎÊýµÄËæ»úÖµ¼ÆËã´ð°¸µÄÊýÖµ.
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¸ù¾Ý²»Í¬µÄ¹«Ê½, ´Ó 4 ¸ö²ÎÊýµÄËæ»úÖµ¼ÆËã´ð°¸µÄÊýÖµ.
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<p class="wims_credits">Ä£¿é×÷Õß: Gang Xiao <qualite@wimsedu.info></p>
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<p class="wims_credits">Ä£¿é×÷Õß: Gang Xiao <qualite@wimsedu.info></p>
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:%%%%%%%%%%%%%%%%%      ×¢       Òâ      %%%%%%%%%%%%%%%%%%%%
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:%%%%%%%%%%%%%%%%%      ×¢       Òâ      %%%%%%%%%%%%%%%%%%%%
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Èç¹ûÄãɾȥÁ˱¾·¶ÀýÖеıêÇ© (¼´¸úËæÔÚðºÅ ':' ºóÃæµÄÄǼ¸ÐÐ),
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Èç¹ûÄãɾȥÁ˱¾·¶ÀýÖеıêÇ© (¼´¸úËæÔÚðºÅ ':' ºóÃæµÄÄǼ¸ÐÐ),
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ÄÇôҲÇëɾȥÕâ¸öÍ·²¿, ·ñÔòÓпÉÄܻز»µ½ Createxo.
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ÄÇôҲÇëɾȥÕâ¸öÍ·²¿, ·ñÔòÓпÉÄܻز»µ½ Createxo.
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:%%%%%%%%%%%%%%%%%   ±»ÖØÐ¶¨ÒåµÄ²ÎÊýʾÀý   %%%%%%%%%%%%%%%%%%
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:%%%%%%%%%%%%%%%%%   ±»ÖØÐ¶¨ÒåµÄ²ÎÊýʾÀý   %%%%%%%%%%%%%%%%%%
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:\title{4 ¸ö²ÎÊý}
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:\title{4 ¸ö²ÎÊý}
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:\author{XIAO Gang}
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:\author{XIAO Gang}
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:\email{qualite@wimsedu.info}
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:\email{qualite@wimsedu.info}
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:µÚÒ»¸ö²ÎÊý \a.
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:µÚÒ»¸ö²ÎÊý \a.
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\real{a=randint(-20..20)}
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\real{a=randint(-20..20)}
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:µÚ¶þ¸ö²ÎÊý \b.
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:µÚ¶þ¸ö²ÎÊý \b.
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\real{b=randint(-20..20)}
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\real{b=randint(-20..20)}
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:µÚÈý¸ö²ÎÊý \c.
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:µÚÈý¸ö²ÎÊý \c.
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\real{c=randint(-20..20)}
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\real{c=randint(-20..20)}
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:µÚËĸö²ÎÊý \d.
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:µÚËĸö²ÎÊý \d.
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\real{d=randint(-20..20)}
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\real{d=randint(-20..20)}
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:¼ÆËãÕýÈ·´ð°¸.
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:¼ÆËãÕýÈ·´ð°¸.
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³£Óú¯Êý¾ùÄÜʹÓÃ. Óà \a, \b, \c, \d ´ú±íÉÏÃæ¶¨ÒåµÄËæ»ú²ÎÊý.
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³£Óú¯Êý¾ùÄÜʹÓÃ. Óà \a, \b, \c, \d ´ú±íÉÏÃæ¶¨ÒåµÄËæ»ú²ÎÊý.
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\real{ans=(\a)*(\d) - (\b)*(\c)}
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\real{ans=(\a)*(\d) - (\b)*(\c)}
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:ÌâÒâ˵Ã÷.
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:ÌâÒâ˵Ã÷.
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×¢Òâ, ʹÓà \(...) ¿ÉÒÔÕýÈ·ÏÔʾÊýѧ¹«Ê½.
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×¢Òâ, ʹÓà \(...) ¿ÉÒÔÕýÈ·ÏÔʾÊýѧ¹«Ê½.
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$embraced_randitem
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$embraced_randitem
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\text{explain=
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\text{explain=
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¼ÆËã¾ØÕó \([\a,\b;\c,\d]) µÄÐÐÁÐʽ.
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¼ÆËã¾ØÕó \([\a,\b;\c,\d]) µÄÐÐÁÐʽ.
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}
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}
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:%% ¼ÆËã; ²»Òª¸Ä¶¯
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:%% ¼ÆËã; ²»Òª¸Ä¶¯
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\text{explain=wims(embraced randitem \explain)}
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\text{explain=wims(embraced randitem \explain)}
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:%%%%%%%%%%%%% ÏÖÔÚ¿ÉÒÔÓà html ¸ñʽÌîÈëÎÊÌâµÄ³ÂÊö  %%%%%%%%%%%%%%%%%%%%%%%%%
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:%%%%%%%%%%%%% ÏÖÔÚ¿ÉÒÔÓà html ¸ñʽÌîÈëÎÊÌâµÄ³ÂÊö  %%%%%%%%%%%%%%%%%%%%%%%%%
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::Ò»°ãÇé¿öÏÂûÓбØÒª¸Ä¶¯Ëü
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::Ò»°ãÇé¿öÏÂûÓбØÒª¸Ä¶¯Ëü
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\statement{\explain
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\statement{\explain
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}
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}
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:%%%%%%%%%%%%%      ²»Òª¸Ä¶¯ÒÔϵÄÃüÁî        %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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:%%%%%%%%%%%%%      ²»Òª¸Ä¶¯ÒÔϵÄÃüÁî        %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\answer{ÎҵĻشð}{\ans}{type=number}
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\answer{ÎҵĻشð}{\ans}{type=number}
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