ÌâÄ¿ÄÚÈÝ
ijʡ¹«²¼µÄ¾ÓÃñÓõç½×Ìݵç¼ÛÌýÖ¤·½°¸ÈçÏ£º
Àý£ºÈôij»§ÔÂÓõçÁ¿400¶È£¬ÔòÐè½»µç·ÑΪ210¡Á0.52+£¨350-210£©¡Á£¨0.52+0.05£©+£¨400-350£©¡Á£¨0.52+0.30£©=230£¨Ôª£©£®
£¨1£©ÒÀ´ËÇëÄã¼ÆË㣺С»ª¼Ò5Ô·ݵÄÓõçÁ¿Îª340¶È£¬ÇëÄãÇó³öС»ª¼Ò5Ô·ݵĵç·ÑΪ______Ôª£»
£¨2£©ÒÀ´ËÇëÄã»Ø´ð£ºÈôС»ª¼Ò5Ô·ݵÄÓõçÁ¿Îªx¶È£¨210¡Üx¡Ü350£©£¬ÔòС»ª¼Ò¸ÃÔµç·ÑΪ______Ôª£¨ÓÃxµÄ´úÊýʽ±íʾ£©£»
£¨3£©ÒÀ´ËÇëÄã»Ø´ð£ºÓÉÓÚ½ñÄêÔâÊÜÇ°ËùδÓеĿáÈÈ£¬Ð¡»ª¼ÒµÄ¿Õµ÷Ò»Ö±²»Í£µÄÔËÐУ¬µ¼ÖÂ8Ô·ݵĵçÁ¿´ó·ùìÉý£¬Èô8Ô·ݵÄÓõçÁ¿x¶È£¨x£¾350£©£¬Ôò8Ô·ݵĵç·ÑÊÇ______Ôª£®£¨ÓÃxµÄ´úÊýʽ±íʾ£©
µÚÒ»µµµçÁ¿ | µÚ¶þµµµçÁ¿ | µÚÈýµµµçÁ¿ |
ÔÂÓõçÁ¿210¶ÈÒÔÏ£¬ ÿ¶È¼Û¸ñ0.52Ôª | ÔÂÓõçÁ¿210ÖÁ350¶È£¬ ÿ¶È±ÈµÚÒ»µµÌá¼Û0.05Ôª | ÔÂÓõçÁ¿350¶ÈÒÔÉÏ£¬ ÿ¶Èµç±ÈµÚÒ»µµÌá¼Û0.30Ôª |
£¨1£©ÒÀ´ËÇëÄã¼ÆË㣺С»ª¼Ò5Ô·ݵÄÓõçÁ¿Îª340¶È£¬ÇëÄãÇó³öС»ª¼Ò5Ô·ݵĵç·ÑΪ______Ôª£»
£¨2£©ÒÀ´ËÇëÄã»Ø´ð£ºÈôС»ª¼Ò5Ô·ݵÄÓõçÁ¿Îªx¶È£¨210¡Üx¡Ü350£©£¬ÔòС»ª¼Ò¸ÃÔµç·ÑΪ______Ôª£¨ÓÃxµÄ´úÊýʽ±íʾ£©£»
£¨3£©ÒÀ´ËÇëÄã»Ø´ð£ºÓÉÓÚ½ñÄêÔâÊÜÇ°ËùδÓеĿáÈÈ£¬Ð¡»ª¼ÒµÄ¿Õµ÷Ò»Ö±²»Í£µÄÔËÐУ¬µ¼ÖÂ8Ô·ݵĵçÁ¿´ó·ùìÉý£¬Èô8Ô·ݵÄÓõçÁ¿x¶È£¨x£¾350£©£¬Ôò8Ô·ݵĵç·ÑÊÇ______Ôª£®£¨ÓÃxµÄ´úÊýʽ±íʾ£©
£¨1£©210¡Á0.52+£¨340-210£©¡Á£¨0.52+0.05£©£¬
=109.2+130¡Á0.57£¬
=109.2+74.1£¬
=183.3Ôª£»
£¨2£©210¡Á0.52+£¨x-210£©¡Á£¨0.52+0.05£©£¬
=109.2+0.57x-119.7£¬
=0.57x-10.5£»
£¨3£©210¡Á0.52+£¨350-210£©¡Á£¨0.52+0.05£©+£¨x-350£©¡Á£¨0.52+0.30£©£¬
=109.2+140¡Á0.57+0.82£¨x-350£©£¬
=109.2+79.8+0.82x-287£¬
=0.82x-98£®
¹Ê´ð°¸Îª£º183.3£»0.57x-10.5£»0.82x-98£®
=109.2+130¡Á0.57£¬
=109.2+74.1£¬
=183.3Ôª£»
£¨2£©210¡Á0.52+£¨x-210£©¡Á£¨0.52+0.05£©£¬
=109.2+0.57x-119.7£¬
=0.57x-10.5£»
£¨3£©210¡Á0.52+£¨350-210£©¡Á£¨0.52+0.05£©+£¨x-350£©¡Á£¨0.52+0.30£©£¬
=109.2+140¡Á0.57+0.82£¨x-350£©£¬
=109.2+79.8+0.82x-287£¬
=0.82x-98£®
¹Ê´ð°¸Îª£º183.3£»0.57x-10.5£»0.82x-98£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿