ÌâÄ¿ÄÚÈÝ
4£®ÔÚºáÏßÀïÌîÉÏ¡°£¾¡±¡°£¼¡±»ò¡°=¡±£®$\frac{5}{11}$¡Â$\frac{10}{7}$£¼$\frac{5}{11}$
$\frac{7}{8}$¡Á$\frac{10}{11}$=$\frac{10}{11}$¡Â$\frac{8}{7}$
$\frac{5}{4}$¡Â1£¾$\frac{4}{5}$
$\frac{5}{4}$¡Á$\frac{5}{4}$£¾$\frac{5}{4}$¡Â$\frac{5}{4}$£®
·ÖÎö Ò»¸öÊý£¨0³ýÍ⣩³ËСÓÚ1µÄÊý£¬»ýСÓÚÕâ¸öÊý£»
Ò»¸öÊý£¨0³ýÍ⣩³Ë´óÓÚ1µÄÊý£¬»ý´óÓÚÕâ¸öÊý£»
Ò»¸öÊý£¨0³ýÍ⣩³ýÒÔСÓÚ1µÄÊý£¬ÉÌ´óÓÚÕâ¸öÊý£»
Ò»¸öÊý£¨0³ýÍ⣩³ýÒÔ´óÓÚ1µÄÊý£¬ÉÌСÓÚÕâ¸öÊý£»¾Ý´Ë½â´ð£®
½â´ð ½â£º
$\frac{5}{11}$¡Â$\frac{10}{7}$£¼$\frac{5}{11}$
$\frac{7}{8}$¡Á$\frac{10}{11}$=$\frac{10}{11}$¡Â$\frac{8}{7}$
$\frac{5}{4}$¡Â1£¾$\frac{4}{5}$
$\frac{5}{4}$¡Á$\frac{5}{4}$£¾$\frac{5}{4}$¡Â$\frac{5}{4}$£®
¹Ê´ð°¸Îª£º£¼£¬=£¾£¬£¾£®
µãÆÀ ´ËÌ⿼²éÁ˲»ÓüÆËãÅжÏÒòÊýÓë»ýÖ®¼ä´óС¹ØÏµ¡¢ÉÌÓë±»³ýÊýÖ®¼ä´óС¹ØÏµµÄ·½·¨£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
12£®Ö±½Óд³ö¼ÆËã½á¹û
| 40¡Â0.5= | 3.2¡Â0.2= | 72¡Â0.8= | 32.8¡Â4= |
| 2.5¡Á0.4= | 4.8¡Á2= | 0.6¡Á1.5= | 9.1¡Â13= |
| 2.14¡Â0.4= | 0.99+0.1= | 42¡Á0.01= | 4¡Á1.25= |