ÁÐʽ¼ÆËã
£¨1£©
3
10
Óë
1
4
µÄºÍµÄ
4
5
ÊǶàÉÙ£¿
£¨2£©Ñ§Ð£ÎªÁËÃÀ»¯»·¾³£¬ÓòÊÉ«Ë®ÄàשÆÌ·Ã棬ÓÃÃæ»ý4ƽ·½·ÖÃ׵ķ½×©ÆÌÒª3600¿é£¬Èô¸ÄÓÃÃæ»ý9ƽ·½·ÖÃ׵ķ½×©ÆÌÐèÒª¶àÉٿ飿
£¨3£©¡°Áù?Ò»¡±ÄÇÌ죬¶¬¶¬ÂòÁË¡¶À¥³æÍõ¹úµÄ°ÂÃØ¡·ºÍ¡¶º£ÑóÊÀ½ç¡·Á½Ì×´ÔÊé¹²ÓÃÈ¥260Ôª£¬Ò»Ìס¶À¥³æÍõ¹úµÄ°ÂÃØ¡·´ÔÊéµÄ¼ÛÇ®ÊÇ¡¶º£ÑóÊÀ½ç¡·µÄ
5
8
£¬Ò»Ìס¶º£ÑóÊÀ½ç¡·´ÔÊéµÄ¼ÛÇ®ÊǶàÉÙÔª£¿
£¨4£©¼×¡¢ÒÒÁ½Á¾Æû³µÍ¬Ê±´ÓÏà¾à287.5ǧÃ×µÄÁ½µØÏà¶Ô¿ª³ö£¬¾­¹ý2.5СʱÏàÓö£®¼×Æû³µÃ¿Ð¡Ê±ÐÐ47ǧÃ×£¬ÒÒÆû³µÃ¿Ð¡Ê±ÐжàÉÙǧÃ×£¿
·ÖÎö£º£¨1£©
3
10
Óë
1
4
µÄºÍΪ
3
10
+
1
4
£¬ËùÒÔ
3
10
Óë
1
4
µÄºÍµÄ
4
5
ÊÇ£º£¨
3
10
+
1
4
£©¡Á
4
5
£»
£¨2£©Ãæ»ý4ƽ·½·ÖÃ׵ķ½×©ÆÌÒª3600¿é£¬Ôò×ÜÃæ»ýΪ4¡Á3600ƽ·½·ÖÃ×£¬¸ù¾Ý³ý·¨µÄÒâÒ壬Èô¸ÄÓÃÃæ»ý9ƽ·½·ÖÃ׵ķ½×©ÆÌÐèÒª£º4¡Á3600¡Â9¿é£»
£¨3£©Ò»Ìס¶À¥³æÍõ¹úµÄ°ÂÃØ¡·´ÔÊéµÄ¼ÛÇ®ÊÇ¡¶º£ÑóÊÀ½ç¡·µÄ
5
8
£¬Ôò¡¶º£ÑóÊÀ½ç¡·¼Û¸ñÕ¼×ÜÇ®ÊýµÄ
8
8+5
£¬ËùÒÔÒ»Ìס¶º£ÑóÊÀ½ç¡·´ÔÊéµÄ¼ÛÇ®ÊÇ260¡Á
8
8+5
Ôª£»
£¨4£©Á½µØÏà¾à287.5ǧÃ×£¬¾­¹ý2.5СʱÏàÓö£¬ÔòÁ½³µµÄËٶȺÍΪ287.5¡Â2.5£¬¼×Æû³µÃ¿Ð¡Ê±ÐÐ47ǧÃ×£¬ËùÒÔÒÒ³µÃ¿Ð¡Ê±ÐÐ287.5¡Â2.5-47£®
½â´ð£º½â£º£¨1£©£¨
3
10
+
1
4
£©¡Á
4
5
£¬
=
11
20
¡Á
4
5
£¬
=
11
25
£®
´ð£º
3
10
Óë
1
4
µÄºÍµÄ
4
5
ÊÇ
11
25
£®

£¨2£©4¡Á3600¡Â9=1600£¨¿é£©£®
´ð£ºÈô¸ÄÓÃÃæ»ý9ƽ·½·ÖÃ׵ķ½×©ÆÌÐèÒª1600¿é£®

£¨3£©260¡Á
8
8+5
£¬
=260¡Á
8
13
£¬
=160£¨Ôª£©£®
´ð£ºÒ»Ìס¶º£ÑóÊÀ½ç¡·´ÔÊéµÄ¼ÛÇ®ÊÇ160Ôª£®

£¨4£©287.5¡Â2.5-47£¬
=115-47£¬
=68£¨Ç§Ã×£©£®
´ð£ºÒÒÆû³µÃ¿Ð¡Ê±ÐÐ68ǧÃ×£®
µãÆÀ£ºÍê³É´ËÀàÌâÄ¿ÒªÈÏÕæ·ÖÎö¸÷СÌâÖÐËù¸øµÄÌõ¼þ¼°ÊýÁ¿Ö®¼äµÄ¹Øϵ£¬´Ó¶øÁгöÕýÈ·µÄËãʽ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£ºÐ¡Ñ§Êýѧ À´Ô´£º ÌâÐÍ£º

ÁÐʽ¼ÆËã
£¨1£©18ÀïÃæÓм¸¸ö
3
10
£¿
£¨2£©Ê²Ã´ÊýµÄ 
3
4
ÊÇ21£¿
£¨3£©¸ù¾ÝÒõӰͼÒâÁÐʽ£®
1
3
¡Â2=
1
6
1
3
¡Â2=
1
6

£¨4£©¸ù¾Ý³ý·¨Ëãʽ»­³öÒõӰͼ£®
3
5
¡Â3=
1
5
1
5

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£ºÐ¡Ñ§Êýѧ À´Ô´£º ÌâÐÍ£º

ÁÐʽ¼ÆËã
£¨1£©36¶ÖµÄ
1
4
±È25¶ÖµÄ
3
10
¶à¶àÉÙ¶Ö£¿
£¨2£©
1
2
³Ë
2
3
µÄ»ý¼õÈ¥
2
11
£¬²îÊǶàÉÙ£¿
£¨3£©¼×ÊýÊÇ7
1
5
£¬±ÈÒÒÊýµÄ4±¶»¹¶à2
1
5
£¬ÒÒÊýÊǶàÉÙ£¿£¨Ó÷½³Ì½â£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£ºÐ¡Ñ§Êýѧ À´Ô´£º ÌâÐÍ£º

ÁÐʽ¼ÆËã
£¨1£©
3
10
Óë
1
5
µÄºÍµÈÓÚÒ»¸öÊýµÄ
4
5
£¬Õâ¸öÊýÊǶàÉÙ£¿
£¨2£©
5
6
¼õ
1
3
µÄ²î³ËÒ»¸öÊý£¬µÈÓÚ
4
7
£¬Õâ¸öÊýÊǶàÉÙ£¿
£¨3£©1¼õÈ¥
1
5
Óë 
1
8
µÄ»ý£¬ËùµÃ²îµÄ
10
39
ÊǶàÉÙ£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£ºÐ¡Ñ§Êýѧ À´Ô´£º ÌâÐÍ£º

ÁÐʽ¼ÆËã
£¨1£©Ò»¸öÊýµÄ
4
5
ÊÇ20£¬Õâ¸öÊýµÄ
3
10
ÊǶàÉÙ£¿
£¨2£©Ò»¸öÊý±ÈËüµÄ
7
10
¶à12£¬Õâ¸öÊýÊǶàÉÙ£¿£¨Ó÷½³Ì£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸