ÌâÄ¿ÄÚÈÝ
5£®Ò»Æ¿Ä«Ë®Ô¼ÊÇ£¨¡¡¡¡£©A£® | 50ml | B£® | 50L | C£® | 50m3 |
·ÖÎö ¸ù¾ÝÇé¾°Ñ¡ÔñºÏÊʵļÆÁ¿µ¥Î»£¬Òª×¢ÒâÁªÏµÉú»îʵ¼ÊºÍ¼ÆÁ¿µ¥Î»µÄ´óС¿ÉÖª£º¼ÆÁ¿Ò»Æ¿Ä«Ë®µÄÈÝ»ý£¬Ó¦ÓÃÈÝ»ýµ¥Î»£¬½áºÏʵ¼Ê¿ÉÖª£ºÒ»Æ¿Ä«Ë®Ô¼ÊÇ50ml£»Óɴ˽â´ð¼´¿É£®
½â´ð ½â£ºÓÉ·ÖÎö¿ÉÖª£ºÒ»Æ¿Ä«Ë®Ô¼ÊÇ50ºÁÉý£»
¹ÊÑ¡£ºA£®
µãÆÀ ´ËÌ⿼²é¸ù¾ÝÇé¾°Ñ¡ÔñºÏÊʵļÆÁ¿µ¥Î»£¬Òª×¢ÒâÁªÏµÉú»îʵ¼ÊºÍ¼ÆÁ¿µ¥Î»µÄ´óСÁé»îµÄÑ¡Ôñ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
13£®ÔõÑù¼ò±ãÔõÑùËã
$\frac{2}{9}+\frac{4}{11}+\frac{7}{9}+\frac{7}{11}$= | $\frac{11}{12}$-£¨$\frac{1}{12}$+$\frac{1}{6}$£©= | $\frac{6}{7}-£¨\frac{5}{7}-\frac{1}{6}£©$= | 5-$\frac{2}{5}-\frac{3}{5}$= |
10£®ÎåÄ꼶һ°àÓÐÄÐÉú30ÈË£¬Å®Éú27ÈË£¬Å®Éúռȫ°àÈËÊýµÄ£¨¡¡¡¡£©
A£® | $\frac{27}{30}$ | B£® | $\frac{27}{50}$ | C£® | $\frac{27}{57}$ |