»¨¾®Ð¡Ñ§Ò»Ä꼶ϲáÁ·Ï°
ÐÕÃû£º£ß£ß£ß£ß£ß£ß 1¡¢ д³ö5¸ö¸öλÉÏÊÇ8µÄÁ½Î»Êý¡£
£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß ÆäÖÐ×î´óµÄÊÇ£¨ £©£¬×îСµÄÊÇ£¨ £©
2¡¢ д³ö5¸öʮλÉÏÊÇ3µÄÁ½Î»Êý£¬²¢°´´Ó´óµ½Ð¡ÅÅÁС££ß £ß£ß£ß£ß£ß£ß£ß
3¡¢ ÔÚ¡õÀïÌîÉϺÏÊʵÄÊý¡£
¡õ4£¾24 5¡õ£¼53 46£¼¡õ7 68£¾6¡õ 37£¾¡õ7 ¡õ3£¾82£¾¡õ9
4¡¢ÔÚ6¡¢7¡¢8¡¢0Õâ4¸öÊý×ÖÖÐÑ¡2¸öÊý×Ö×é³ÉÁ½Î»Êý£¬Æä
ÖÐ×î´óµÄÊÇ£¨ £©£¬×îСµÄÊÇ£¨ £©¡£ 5¡¢ÕÒ¹æÂÉÌîÊý¡£
£¨1£©24¡¢£¨ £©¡¢£¨ £©¡¢£¨ £©¡¢28¡¢29¡¢£¨ £©¡£ £¨2£©£¨ £©¡¢40¡¢£¨ £©50¡¢£¨ £©¡¢£¨ £©65. £¨3£©14¡¢24¡¢£¨ £©¡¢£¨ £©¡¢£¨ £©64. £¨4£©34¡¢32¡¢£¨ £©¡¢£¨ £©¡¢£¨ £©¡¢24. £¨5£©£¨ £©¡¢£¨ £©¡¢63¡¢65¡¢£¨ £©¡¢69. £¨6£©18¡¢27¡¢36¡¢£¨ £©¡¢£¨ £©¡¢( ).
6¡¢±È61С1µÄÊýÊÇ£¨ £©£¬±ÈËü´ó1µÄÊýÊÇ£¨ £©¡£ 7¡¢89±È£¨ £©´ó1£¬±È( )С1.
8¡¢£¨1£©Ò»¸öÒ»¸öµÄÊý£¬90Ç°ÃæÒ»¸öÊýÊÇ£¨ £©£¬ºóÃæÒ»¸öÊýÊÇ£¨ £©¡£
£¨2£©Îå¸öÎå¸öµÄÊý£¬70Ç°ÃæÒ»¸öÊýÊÇ£¨ £©£¬ºóÃæÒ»¸öÊýÊÇ£¨ £©¡£ £¨3£©Ê®¸öÊ®¸öµÄÊý80Ç°ÃæÒ»¸öÊýÊÇ£¨ £©£¬ºóÃæÒ»¸öÊýÊÇ£¨ £©¡£ £¨4£©2¸ö2¸öµÄÊý£¬48Ç°ÃæÒ»¸öÊýÊÇ£¨ £©£¬ºóÃæÒ»¸öÊýÊÇ£¨ £©¡£
9.ÎÒÔÚ50ºÍ60Ö®¼ä£¬²¢ÇÒʮλºÍ¸öλÉϵÄÊý×ÖÒ»Ñù£¬ÎÒÊÇ£¨ £©¡£
10¡¢±È96´óÓÖ±È100С£¬²¢ÇÒÊÇË«Êý£¬Õâ¸öÊýÊÇ£¨ £©¡£ 11¡¢ÔÚ78ºÍ80Ö®¼äµÄÊýÊÇ£¨ £©¡£
12¡¢±È60´ó±È70СµÄµ¥ÊýÓÐ( ). 13¡¢±È20´ó±È30СµÄË«ÊýÓУ¨ £©¡£ 14¡¢ÔÚ( )ÀïÌîÉϺÏÊʵÄÊý¡£
7+£¨ £©=13 13-£¨ £©=4 £¨ £©+5=14 £¨ £©-8=9 £¨ £©+8=14 12-( )=6
15¡¢Ð¡¶«Ð´ÁË40¸ö´ó×Ö£¬Ð¡Ã÷дÁË50¸ö£¬Ð¡¶«ÔÙд¶àÉÙ¸ö´ó×־ͺÍСÃ÷дµÃͬÑù¶à£¿
£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß
16¡¢Ò»Äê¼¶ÓÐ56ÈË£¬¶þÄê¼¶ÓÐ50ÈË£¬ÈýÄê¼¶ÓÐ44ÈË¡£ £¨1£©¶þÄê¼¶ºÍÈýÄê¼¶Ò»¹²ÓжàÉÙÈË£¿ £ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß £¨2£©Ò»Äê¼¶ÄÐÉúÓÐ30ÈË£¬Å®ÉúÓжàÉÙÈË£¿ £ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß