£¨10Ìì½òÊÐ25£©.¸ù¾ÝÏÂÁÐʵÑé×°ÖÃͼ£¬°´ÒªÇó»Ø´ðÓйØÎÊÌâ¡£

 

£¨1£©Ð´³öͼÖдøÓбêºÅÒÇÆ÷µÄÃû³Æ£ºa__________£¬b____________¡£

£¨2£©ÓøßÃÌËá¼ØÖÆÈ¡²¢ÊÕ¼¯ÑõÆøʱ£¬Ó¦Ñ¡ÓõÄ×°ÖÃÊÇ______£¨ÌîÐòºÅ£¬ÏÂͬ£©£¬ÔÚÊԹܿڴ¦·ÅÒ»ÍÅÃÞ»¨µÄ×÷ÓÃÊÇ_______________£»¸ßÃÌËá¼Ø·Ö½âÖÆÑõÆøµÄ»¯Ñ§·½³ÌʽΪ________________________¡£

£¨3£©ÊµÑéÊÒÓÃпÁ£ºÍÏ¡ÁòËá·´Ó¦ÖÆÈ¡²¢ÊÕ¼¯ÇâÆøÑ¡ÓõÄ×°ÖÃÊÇ_______________¡£

£¨4£©ÊµÑéÊÒÖÆÈ¡²¢ÊÕ¼¯¶þÑõ»¯Ì¼³£Ñ¡ÓõÄ×°ÖÃÊÇ__________¡£ËùÑ¡ÓõÄÊÕ¼¯·½·¨µÄÒÀ¾ÝÊÇ__________________¡£

 

¡¾´ð°¸¡¿

£¨1£©³¤¾±Â©¶· Ìú¼Ų̈

£¨2£©¿ÉÒÔ·ÀÖ¹¼ÓÈÈʱ¸ßÃÌËá¼Ø·ÛÄ©½øÈëµ¼¹Ü

£¨3£©C   (4)B    ¶þÑõ»¯Ì¼ÃܶȱȿÕÆø´ó

¡¾½âÎö¡¿ÂÔ

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨10Ìì½òÊÐ25£©.¸ù¾ÝÏÂÁÐʵÑé×°ÖÃͼ£¬°´ÒªÇó»Ø´ðÓйØÎÊÌâ¡£

 

£¨1£©Ð´³öͼÖдøÓбêºÅÒÇÆ÷µÄÃû³Æ£ºa__________£¬b____________¡£

£¨2£©ÓøßÃÌËá¼ØÖÆÈ¡²¢ÊÕ¼¯ÑõÆøʱ£¬Ó¦Ñ¡ÓõÄ×°ÖÃÊÇ______£¨ÌîÐòºÅ£¬ÏÂͬ£©£¬ÔÚÊԹܿڴ¦·ÅÒ»ÍÅÃÞ»¨µÄ×÷ÓÃÊÇ_______________£»¸ßÃÌËá¼Ø·Ö½âÖÆÑõÆøµÄ»¯Ñ§·½³ÌʽΪ________________________¡£

£¨3£©ÊµÑéÊÒÓÃпÁ£ºÍÏ¡ÁòËá·´Ó¦ÖÆÈ¡²¢ÊÕ¼¯ÇâÆøÑ¡ÓõÄ×°ÖÃÊÇ_______________¡£

£¨4£©ÊµÑéÊÒÖÆÈ¡²¢ÊÕ¼¯¶þÑõ»¯Ì¼³£Ñ¡ÓõÄ×°ÖÃÊÇ__________¡£ËùÑ¡ÓõÄÊÕ¼¯·½·¨µÄÒÀ¾ÝÊÇ__________________¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨10Ìì½òÊÐ25£©.¸ù¾ÝÏÂÁÐʵÑé×°ÖÃͼ£¬°´ÒªÇó»Ø´ðÓйØÎÊÌâ¡£

£¨1£©Ð´³öͼÖдøÓбêºÅÒÇÆ÷µÄÃû³Æ£ºa__________£¬b____________¡£
£¨2£©ÓøßÃÌËá¼ØÖÆÈ¡²¢ÊÕ¼¯ÑõÆøʱ£¬Ó¦Ñ¡ÓõÄ×°ÖÃÊÇ______£¨ÌîÐòºÅ£¬ÏÂͬ£©£¬ÔÚÊԹܿڴ¦·ÅÒ»ÍÅÃÞ»¨µÄ×÷ÓÃÊÇ_______________£»¸ßÃÌËá¼Ø·Ö½âÖÆÑõÆøµÄ»¯Ñ§·½³ÌʽΪ________________________¡£
£¨3£©ÊµÑéÊÒÓÃпÁ£ºÍÏ¡ÁòËá·´Ó¦ÖÆÈ¡²¢ÊÕ¼¯ÇâÆøÑ¡ÓõÄ×°ÖÃÊÇ_______________¡£
£¨4£©ÊµÑéÊÒÖÆÈ¡²¢ÊÕ¼¯¶þÑõ»¯Ì¼³£Ñ¡ÓõÄ×°ÖÃÊÇ__________¡£ËùÑ¡ÓõÄÊÕ¼¯·½·¨µÄÒÀ¾ÝÊÇ__________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º2010ÄêÈ«¹úÖп¼»¯Ñ§ÊÔÌâ·ÖÀà»ã±à¿¼µã20±¥ºÍÈÜÒº¡¢Èܽâ¶È ÌâÐÍ£ºÌî¿ÕÌâ

£¨10Ìì½òÊÐ23£©.Çë¸ù¾ÝÏÂÁÐʵÑéºÍÈܽâ¶ÈÇúÏ߻شðÎÊÌ⣺£¨ÒÑ֪ˮµÄÃܶÈԼΪ1g/cm3£©

ʵÑé²Ù×÷
ʵÑé½á¹û
È¡100mlË®£¬¼ÓÈë25gÏõËá¼Ø£¬½Á°è£¬»Ö¸´ÖÁ20¡æ
È«²¿Èܽ⣬µÃÈÜÒº¢Ù
ÔÙ¼ÓwgÏõËá¼Ø£¬½Á°è£¬»Ö¸´µ½20¡æ
Ç¡ºÃ±¥ºÍ£¬µÃÈÜÒº¢Ú
ÔÙ¼Ó25gÏõËá¼Ø£¬½Á°è£¬»Ö¸´µ½20¡æ
µÃÈÜÒº¢Û
¼ÓÈÈ
È«²¿Èܽ⣬µÃÈÜÒº¢Ü
ÀäÈ´ÖÁ20¡æ
Îö³ö¾§Ì壬µÃÈÜÒº¢Ý
 

£¨1£©¢ÛÖÐÈÜÒºµÄÖÊÁ¿Îª______g£»Ò»¶¨ÊôÓÚ²»±¥ºÍÈÜÒºµÄÊÇ_________(ÌîÐòºÅ£¬ÏÂͬ)£»ÈÜÖʵÄÖÊÁ¿·ÖÊýÒ»¶¨ÏàµÈµÄÊÇ_________¡£
£¨2£©Îö³ö¾§ÌåµÄÖÊÁ¿Îª__________¡£
A.25g                B.£¨w+25£©g              C. £¨w+50£©g

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º2010ÄêÈ«¹úÖп¼ÕæÌâ·ÖÀà»ã±àרÌâËÄ ÆøÌåµÄÖƱ¸£¨Ò»£© ÌâÐÍ£ºÌî¿ÕÌâ

£¨10Ìì½òÊÐ25£©.¸ù¾ÝÏÂÁÐʵÑé×°ÖÃͼ£¬°´ÒªÇó»Ø´ðÓйØÎÊÌâ¡£

£¨1£©Ð´³öͼÖдøÓбêºÅÒÇÆ÷µÄÃû³Æ£ºa__________£¬b____________¡£
£¨2£©ÓøßÃÌËá¼ØÖÆÈ¡²¢ÊÕ¼¯ÑõÆøʱ£¬Ó¦Ñ¡ÓõÄ×°ÖÃÊÇ______£¨ÌîÐòºÅ£¬ÏÂͬ£©£¬ÔÚÊԹܿڴ¦·ÅÒ»ÍÅÃÞ»¨µÄ×÷ÓÃÊÇ_______________£»¸ßÃÌËá¼Ø·Ö½âÖÆÑõÆøµÄ»¯Ñ§·½³ÌʽΪ________________________¡£
£¨3£©ÊµÑéÊÒÓÃпÁ£ºÍÏ¡ÁòËá·´Ó¦ÖÆÈ¡²¢ÊÕ¼¯ÇâÆøÑ¡ÓõÄ×°ÖÃÊÇ_______________¡£
£¨4£©ÊµÑéÊÒÖÆÈ¡²¢ÊÕ¼¯¶þÑõ»¯Ì¼³£Ñ¡ÓõÄ×°ÖÃÊÇ__________¡£ËùÑ¡ÓõÄÊÕ¼¯·½·¨µÄÒÀ¾ÝÊÇ__________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸