ÌâÄ¿ÄÚÈÝ

ijÊÐÓͲ˻ñµÃ´óÃæ»ýµÄ·áÊÕ£¬ÖÖÖ²´ó»§ÍõÊå¼Ò³¤10m£¬¿í8mµÄ²Ö¿âÖжÑÁË1mºñµÄ²Ë×Ñ£¬ÍõÊåÇëСÑà°ïËû¹ÀËãÕâЩ²Ë×ÑÖÊÁ¿£®Ð¡Ñཫ²Ë×ÑÑùÆ·´øµ½Ñ§Ð££¬½øÐÐÁËÏÂÃæµÄʵÑ飺
a£®½«ÍÐÅÌÌìƽ·Åµ½Ë®Æ½Ì¨ÉÏ£¬°Ñ________£¬ÔÙµ÷½ÚºáÁºÓҶ˵ÄƽºâÂÝĸ£¬Ê¹Ììƽƽºâ£®
b£®ÔÚ×óÓÒÁ½ÅÌÖзֱð·ÅÒ»ÕÅ´óСÏàͬµÄÖ½£¬½«²Ë×ѵ¹Èë×óÅÌÖУ¬ÔÚÓÒÅÌÖмӼõíÀÂ벢ʹÓÃÓÎÂ룬ʹÌìƽƽºâ£®½á¹ûÈçÏÂͼËùʾ£¬²Ë×ÑÖÊÁ¿Îª________g£®

c£®½«²Ë×ÑÈ«²¿µ¹ÈëÁ¿Í²ÖУ¬ÇáÇÃÁ¿Í²±Ú£¬Ê¹²Ë×ѱíÃæ________£¬¶Á³öÌå»ýΪ80cm3£®
d£®¼ÆËã³ö²Ë×ÑÃܶÈΪ________kg/m3£¬ÍõÊå¼Ò²Ö¿â²Ë×ѵÄ×ÜÖÊÁ¿Îª________kg£®

ÓÎÂ벦µ½±ê³ßµÄ¡°0¡±µãÉÏ    72    Ë®Æ½    0.9¡Á103    7.2¡Á104
·ÖÎö£ºÌìƽµ÷ƽʱÏȵ÷ÓÎÂëÔÙµ÷ƽºâÂÝĸ£¬ÃܶȵÈÓÚÖÊÁ¿³ýÒÔÌå»ý£¬ÔÙ¸ù¾ÝÃܶȺÍ×ÜÌå»ýËã³ö×ÜÖÊÁ¿£®
½â´ð£ºa¡¢Ììƽµ÷ƽʱÏȵ÷ÓÎÂ룬°ÑÓÎÂ벦µ½±ê³ßµÄ¡°0¡±¿Ì¶ÈÏßÉÏ£®
¹Ê´ð°¸Îª£ºÓÎÂ벦µ½±ê³ßµÄ¡°0¡±¿Ì¶ÈÏßÉÏ£®
b¡¢ÎïÌåÖÊÁ¿m=£¨50+20+2£©g=72g£®
¹Ê´ð°¸Îª72£®
c¡¢¹ÌÌå·ÅÈëÁ¿Í²¶ÁÊýʱӦ±£³Öˮƽ£®
¹Ê´ð°¸Îª£ºË®Æ½£®
d¡¢Ãܶȣ®
×ÜÖÊÁ¿M=¦Ñ¡ÁV×Ü=0.9¡Á103¡Á10¡Á8¡Á1kg=7.2¡Á104kg£®
¹Ê´ð°¸Îª£º0.9¡Á1037.2¡Á104
µãÆÀ£º±¾Ì⿼²éÌìƽµÄʹÓ㬹ÌÌåÃܶȵIJâÁ¿¼°Æä¼ÆË㣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø