£¨1£©Èçͼ£¬¸Ã¿Ì¶È³ßµÄ·Ö¶ÈÖµÊÇ______mm£¬ÎïÌåAµÄ³¤¶ÈΪ______cm£®
£¨2£©Ã÷ÓÃÌìƽºÍÁ¿Í²²âÁ¿Ð¡Ê¯¿éµÄÃܶȣ®ËûÔÚµ÷½ÚÌìƽʱ£¬·¢ÏÖÖ¸ÕëÆ«Ïò·Ö¶ÈÅÌÖÐÑë¿Ì¶ÈÏßµÄÓҲ࣬Èçͼ£¨¼×£©Ëùʾ£®ÎªÊ¹ÌìƽºáÁºË®Æ½Æ½ºâ£¬ËûÓ¦½«Æ½ºâÂÝĸÏò______¶Ëµ÷£®È»ºóÓõ÷½ÚºÃµÄÌìƽ²âÁ¿Ð¡Ê¯¿éµÄÖÊÁ¿£¬ÌìƽƽºâʱÓÒÅÌÖеÄíÀÂëÖÊÁ¿¡¢ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼ£¨ÒÒ£©Ëùʾ£¬Ð¡Ê¯¿éµÄÖÊÁ¿ÊÇ______g£®ÓÃÁ¿Í²²âÁ¿Ð¡Ê¯¿éµÄÌå»ýÈçͼ1£¨±û£©Ëùʾ£¬Ð¡Ê¯¿éµÄÌå»ýÊÇ______cm3£®Ð¡Ê¯¿éµÄÃܶÈÊÇ______kg/m3£®

¡¾´ð°¸¡¿·ÖÎö£º£¨1£©¿Ì¶È³ßµÄ·Ö¶ÈÖµÊǿ̶ȳßÏàÁÚÁ½¿Ì¶ÈÏß±íʾµÄ³¤¶È£®Ê¹Óÿ̶ȳßʱҪÃ÷È·Æä·Ö¶ÈÖµ£¬Æðʼ¶Ë´Ó0¿ªÊ¼£¬¶Á³öÄ©¶Ë¿Ì¶ÈÖµ£¬¾ÍÊÇÎïÌåµÄ³¤¶È£»Æðʼ¶ËûÓдÓ0¿Ì¶ÈÏß¿ªÊ¼µÄ£¬ÒªÒÔijһ¿Ì¶ÈÏßΪÆðµã£¬¶Á³öÄ©¶Ë¿Ì¶ÈÖµ£¬¼õÈ¥Æðʼ¶ËËù¶Ô¿Ì¶È¼´ÎªÎïÌ峤¶È£¬×¢Òâ¿Ì¶È³ßÒª¹À¶Áµ½·Ö¶ÈÖµµÄÏÂһλ£®
£¨2£©Ê¹ÓÃÌìƽ²âÁ¿ÎïÌåÖÊÁ¿Ö®Ç°£¬ÒªÏȵ÷½ÚÌìƽ£¬Ê¹ºáÁºÆ½ºâ£¬Æ½ºâÂÝĸÏà¶ÔÓÚÖ¸ÕëµÄµ÷½Ú¹æÂÉÊÇ¡°×óÆ«ÓÒµ÷¡±£»¶ÁÈ¡ÌìƽËù²âÖÊÁ¿Ê±£¬Ê×ÏÈÒªÃ÷È·±ê³ßµÄ·Ö¶ÈÖµ£¬±»²âÎïÌåµÄÖÊÁ¿µÈÓÚíÀÂëµÄ×ÜÖÊÁ¿ÓëÓÎÂëËù¶Ô¿Ì¶ÈÖ®ºÍ£»¶ÁÈ¡Á¿Í²ÖÐÒºÌåÌå»ýʱ£¬ÒªÃ÷È·Á¿Í²µÄ·Ö¶ÈÖµ£¬ÊÓÏßÓëÒºÃæ×î°¼´¦Ïàƽ£»ÒÑÖªÖÊÁ¿ºÍÌå»ý£¬ÀûÓù«Ê½¦Ñ=µÃµ½Ãܶȣ®
½â´ð£º½â£ºÓÉͼ֪£º
£¨1£©¿Ì¶È³ßÉÏ1cmÖ®¼äÓÐ10¸öС¸ñ£¬ËùÒÔÒ»¸öС¸ñ´ú±íµÄ³¤¶ÈÊÇ0.1cm=1mm£¬¼´´Ë¿Ì¶È³ßµÄ·Ö¶ÈֵΪ1mm£»ÎïÌåA×ó²àÓë0¿ÌÏ߶ÔÆ룬ÓÒ²àÓë3.40cm¶ÔÆ룬ËùÒÔÎïÌåAµÄ³¤¶ÈΪL=3.40cm£®
£¨2£©ÔÚµ÷ƽ¹ý³ÌÖУ¬ÒòΪָÕëÏòÓÒÆ«£¬ËùÒÔƽºâÂÝĸҪÏò×óµ÷½Ú£»Ììƽ±ê³ßµÄ·Ö¶ÈֵΪ0.2g£¬Ê¯¿éµÄÖÊÁ¿Îªm=50g+2g=52g£»Ê¯¿éµÄÌå»ýΪV=40cm3-20cm3=20cm3£¬
ËùÒÔʯ¿éµÄÃܶÈΪ¦Ñ===2.6g/cm3=2.6×103kg/m3£®
¹Ê´ð°¸Îª£º£¨1£©1£»3.40£»
£¨2£©×ó£»52£»20£»2.6×103£®
µãÆÀ£º´ËÌ⿼²éµÄÊǿ̶ȳߡ¢Ììƽ¡¢Á¿Í²µÄʹÓúͶÁÊýÒÔ¼°ÃܶȵIJâÁ¿¹ý³Ì£¬ÊôÓÚ»ù±¾¼¼ÄÜ£¬ÔÚƽʱµÄʵÑé¹ý³ÌÖÐҪעÒâÇ¿»¯ÕÆÎÕ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©Èçͼ£¬¸Ã¿Ì¶È³ßµÄ·Ö¶ÈÖµÊÇ
1
1
mm£¬ÎïÌåAµÄ³¤¶ÈΪ
3.40
3.40
cm£®
£¨2£©Ã÷ÓÃÌìƽºÍÁ¿Í²²âÁ¿Ð¡Ê¯¿éµÄÃܶȣ®ËûÔÚµ÷½ÚÌìƽʱ£¬·¢ÏÖÖ¸ÕëÆ«Ïò·Ö¶ÈÅÌÖÐÑë¿Ì¶ÈÏßµÄÓҲ࣬Èçͼ£¨¼×£©Ëùʾ£®ÎªÊ¹ÌìƽºáÁºË®Æ½Æ½ºâ£¬ËûÓ¦½«Æ½ºâÂÝĸÏò
×ó
×ó
¶Ëµ÷£®È»ºóÓõ÷½ÚºÃµÄÌìƽ²âÁ¿Ð¡Ê¯¿éµÄÖÊÁ¿£¬ÌìƽƽºâʱÓÒÅÌÖеÄíÀÂëÖÊÁ¿¡¢ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼ£¨ÒÒ£©Ëùʾ£¬Ð¡Ê¯¿éµÄÖÊÁ¿ÊÇ
52
52
g£®ÓÃÁ¿Í²²âÁ¿Ð¡Ê¯¿éµÄÌå»ýÈçͼ1£¨±û£©Ëùʾ£¬Ð¡Ê¯¿éµÄÌå»ýÊÇ
20
20
cm3£®Ð¡Ê¯¿éµÄÃܶÈÊÇ
2.6¡Á103
2.6¡Á103
kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©Èçͼ¼×Óÿ̶ȳ߲âÁ¿Ò»ÎïÌåµÄ³¤¶È£¬¸Ã¿Ì¶È³ßµÄ·Ö¶ÈÖµÊÇ
1
1
mm£¬ÎïÌåµÄ³¤¶ÈÊÇ
3.18
3.18
cm
£¨2£©Î¶ȼÆÀûÓÃÁË
ÒºÌåÈÈÕÍÀäËõ
ÒºÌåÈÈÕÍÀäËõ
µÄÔ­ÀíÀ´²âÁ¿Î¶ȣ¬Í¼ÒÒÖÐÓÃζȼƲâ³ö±ùÏäÀ䶳ÊÒµÄζÈΪ
-5
-5
¡æ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

Èçͼ£¬¸Ã¿Ì¶È³ßµÄ·Ö¶ÈֵΪ
1mm
1mm
£¬²âÁ¿½á¹ûΪ
1.60cm
1.60cm
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º½â´ðÌâ

£¨1£©Èçͼ£¬¸Ã¿Ì¶È³ßµÄ·Ö¶ÈÖµÊÇ________mm£¬ÎïÌåAµÄ³¤¶ÈΪ________cm£®
£¨2£©Ã÷ÓÃÌìƽºÍÁ¿Í²²âÁ¿Ð¡Ê¯¿éµÄÃܶȣ®ËûÔÚµ÷½ÚÌìƽʱ£¬·¢ÏÖÖ¸ÕëÆ«Ïò·Ö¶ÈÅÌÖÐÑë¿Ì¶ÈÏßµÄÓҲ࣬Èçͼ£¨¼×£©Ëùʾ£®ÎªÊ¹ÌìƽºáÁºË®Æ½Æ½ºâ£¬ËûÓ¦½«Æ½ºâÂÝĸÏò________¶Ëµ÷£®È»ºóÓõ÷½ÚºÃµÄÌìƽ²âÁ¿Ð¡Ê¯¿éµÄÖÊÁ¿£¬ÌìƽƽºâʱÓÒÅÌÖеÄíÀÂëÖÊÁ¿¡¢ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼ£¨ÒÒ£©Ëùʾ£¬Ð¡Ê¯¿éµÄÖÊÁ¿ÊÇ________g£®ÓÃÁ¿Í²²âÁ¿Ð¡Ê¯¿éµÄÌå»ýÈçͼ1£¨±û£©Ëùʾ£¬Ð¡Ê¯¿éµÄÌå»ýÊÇ________cm3£®Ð¡Ê¯¿éµÄÃܶÈÊÇ________kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸