ÊýѧÇÉËã СÊýµÄËÙËã¼¼ÇÉ(2)
¡¡¡¡£¨2£©Ôڳ˳ý»ìºÏÔËËãÖУ¬ÓÃÈ¥À¨ºÅ»òÌíÀ¨ºÅµÄ·½·¨½øÐмòËãʱ£¬Èç¹ûÀ¨ºÅÇ°ÊÇ¡°³ËºÅ¡±£¬È¥µôÀ¨ºÅʱ£¬À¨ºÅÄÚµÄÔËËã·ûºÅ²»±ä£»Èç¹ûÀ¨ºÅÇ°ÊÇ¡°³ýºÅ¡±£¬È¥µôÀ¨ºÅʱ£¬À¨ºÅÄÚµÄÔËËã·ûºÅ¸Ä±ä£»¼´¡° ¡Á¡±±ä¡°¡Â¡±£¬¡°¡Â¡±±ä¡°¡Á¡±£®ÌíÀ¨ºÅ·¨ÔòÀàËÆ£®
Àý1
3.5¡Â£¨0.7¡Â0.5£©
£½3.5¡Â0.7¡Á0.5
=5¡Á0.5
=2.5
Àý2
5.25¡Â13.125¡Â4
=5.25¡Â£¨13.125¡Á4£©
£½5.25¡Â52.5
=0.1
Àý3
£¨3.6¡Á7.5¡Á0.54£©¡Â£¨1.2¡Á1.5¡Á0.9£©
=£¨3.6¡Â1.2£©¡Á£¨7.5¡Â1.5£©¡Á£¨0.54¡Â0.9£©
=3¡Á5¡Á0.6
=3¡Á3
=9
4£®ÔËÓó˷¨½»»»ÂÉ¡¢½áºÏÂɽøÐмòËãÔÚ½øÐм¸¸öÊýÏà³Ëʱ£¬¿ÉÒÔ°ÑÆäÖÐÁ½¸ö»ò¼¸¸öÊýÏà³ËÄÜ´Õ³ÉÕûÊýµÄÏȽøÐÐÔËË㣬¿ÉÒÔʹÔËËã¼ò±ã£®
Àý1
0.125¡Á2.5¡Á8
=£¨0.125¡Á8£©¡Á2.5
£½1¡Á2.5
=2.5
Àý2
0.25¡Á7¡Á32¡Á12.5
=0.25¡Á7¡Á£¨4¡Á8£©¡Á12.5
=£¨0.25¡Á4£©¡Á7¡Á£¨8¡Á12.5£©
=1¡Á7¡Á100
=700
5£®ÔËÓó˷¨·ÖÅäÂɽøÐмòËã
¡¡¡¡£¨1£©Èç¹ûÁ½¸öÊýµÄºÍÓëÒ»¸öÊýÏà³Ë£¬ÈôÁ½¸ö¼ÓÊýÓëÕâ¸öÊýÏà³Ë¿ÉÒÔ´Õ³ÉÕûÊý£¬¿ÉÒÔÏÈÓÃÁ½¸ö¼ÓÊý·Ö±ðÓëÕâ¸öÊýÏà³Ë£®
Àý
£¨12.5£«0.25£©¡Á8
=12.5¡Á8£«0.25¡Á8
=100£«2
=102
¡¡¡¡£¨2£©Èç¹ûÁ½¸öÊý·Ö±ðÓëÒ»¸öÊýÏà³ËÔÙÏà¼Ó£¬ÈôÕâÁ½¸öÊýÏà¼ÓÄÜ´ÕÕû£¬¿ÉÒÔÏÈÇóÕâÁ½¸öÊýµÄºÍ£®
Àý1
0.25¡Á13+2.5¡Á2.7
=2.5¡Á1.3+2.5¡Á2.7
=2.5¡Á£¨1.3+2.7£©
=2.5¡Á4
=10
Àý2
6.25¡Á0.16£«264¡Á0.0625+5.2¡Á6.25+0.625¡Á20
=6.25¡Á0.16£«2.64¡Á6.25+5.2¡Á6.25£«6.25¡Á2
=6.25¡Á£¨0.16£«2.64£«5.2£«2£©
=6.25¡Á10
=62.5
6£®ÔËÓûý¡¢É̵ı仯¹æÂɽøÐмòËã
¡¡¡¡£¨1£©¸ù¾ÝÉ̲»±äÐÔÖʽøÐмòËã
Àý
0.6¡Â0.25
=£¨0.6¡Á4£©¡Â£¨0.25¡Á4£©
=2.4¡Â1
=2.4
¡¡¡¡£¨2£©¸ù¾Ý»ýµÄ±ä»¯¹æÂɽøÐмòËã
Àý
5.6¡Á12.5
=£¨5.6¡Â8£©¡Á£¨12.5¡Á8£©
=0.7¡Á100
=70