å¶ä½è¿æ ·ä¸ä¸ªéè£
ç®±è³å°éè¦118.6å¹³æ¹ç±³çé¢æ¿ã
解ï¼
ï¼9Ã3.2+9Ã2.5+3.2Ã2.5ï¼Ã2
=ï¼28.8+22.5+8ï¼Ã2
=59.3Ã2
=118.6ï¼å¹³æ¹ç±³ï¼
çï¼å¶ä½è¿æ ·ä¸ä¸ªéè£
ç®±è³å°éè¦118.6å¹³æ¹ç±³çé¢æ¿ã
解æï¼
æ¬é¢çå®è´¨å°±æ¯æ±è¿ä¸ªéè£
ç®±ç表é¢ç§¯ã
è¿ä¸ªéè£
ç®±æ¯ä¸ªé¿æ¹ä½ï¼é¿æ¹ä½ç表é¢ç§¯å
¬å¼å¦ä¸ï¼
é¿æ¹ä½ç表é¢ç§¯=ï¼é¿Ã宽+é¿Ãé«+宽Ãé«ï¼Ã2ï¼
å°å·²ç¥çæ°æ®å¸¦å
¥å³å¯ã
温馨提示:答案为网友推荐,仅供参考