如图是小明家今年1月份至5月份的每月用电量的统计图，据此推断他家这五 个月的月平均用电量是 .
\uff082010?\u90b5\u9633\uff09\u5982\u56fe\u662f\u5c0f\u660e\u5bb6\u4eca\u5e741\u6708\u4efd\u81f35\u6708\u4efd\u7684\u6bcf\u6708\u7528\u7535\u91cf\u7684\u7edf\u8ba1\u56fe\uff0c\u636e\u6b64\u63a8\u65ad\u4ed6\u5bb6\u8fd9\u4e94\u4e2a\u6708\u7684\u6708\u5e73\u5747\u7528\u7535\u91cf\u7531\u56fe\u53ef\u77e5\uff0c\u4eca\u5e741\u6708\u4efd\u81f35\u6708\u4efd\u7684\u603b\u7528\u7535\u91cf\u4e3a\uff1a140+160+150+130+140=720\uff08\u5ea6\uff09\uff0c\u6545\u8fd9\u4e94\u4e2a\u6708\u7684\u6708\u5e73\u5747\u7528\u7535\u91cf\u662f720\u00f75=144\uff08\u5ea6\uff09\uff0e
\uff081\uff095\u6708\u30016\u6708\u7684\u6c34\u8d39\u660e\u663e\u591a\u4e8e\u5176\u4ed6\u6708\uff1b\uff082\uff09\u56e0\u4e3a\u6b66\u6c49\u7684\u6c14\u5019\u7279\u70b9\u662f\u51ac\u51b7\u590f\u70ed\uff0c\u6240\u4ee5\u4ed6\u5bb6\u7535\u8d39\u6ce2\u52a8\u7684\u539f\u56e0\u53ef\u80fd\u662f\u51ac\u5b63\u7528\u70ed\u6c34\u5668\u7684\u65f6\u95f4\u591a\uff0c\u590f\u5b63\u7528\u7a7a\u8c03\u7684\u65f6\u95f4\u591a\uff0e
| 144 绛旓細144 鍒嗘瀽锛氶鍏堟牴鎹姌绾跨粺璁″浘鍏堟眰鍑浠婂勾1鏈堜唤鑷5鏈堜唤鐨勬荤敤鐢甸噺锛岀劧鍚庢牴鎹钩鍧囨暟鐨勮绠楀叕寮忓緱鍑虹粨鏋滐紟鐢卞浘鍙煡锛屼粖骞1鏈堜唤鑷5鏈堜唤鐨勬荤敤鐢甸噺涓猴細140+160+150+130+140=720锛堝害锛夛紝鏁呰繖浜斾釜鏈堢殑鏈骞冲潎鐢ㄧ數閲忔槸720梅5=144锛堝害锛夛紟鐐硅瘎锛氭湰棰樿冩煡鍒╃敤缁熻鍥捐幏鍙栦俊鎭殑鑳藉姏鍙婂钩鍧囨暟鐨勫畾涔夛紟鍒╃敤... 绛旓細60锛5=x锛6 5x=60脳6 x=72 绛旓細浠栧6-12鏈堜唤澶х害浜72鍏冩按璐癸紟 绛旓細鏀跺叆鏈澶氱殑鏄2鏈堬紝鏀嚭鏈灏戠殑鏄3鏈堬紱锛2锛3900+4400+3600+3800+4200=19900锛堝厓锛夌瓟锛灏忔槑瀹1锝5鏈堜唤涓鍏辨敹鍏19900鍏冿紟锛3锛3900-2500=1400锛堝厓锛4400-4500=-100锛堝厓锛3600-2300=1300锛堝厓锛3800-2600=1200锛堝厓锛4200-3000=1200锛堝厓锛1400>1300>1200=1200>-100 绛旓細1鏈浣欓鏈澶氾紝4鏈堝拰 5... 绛旓細11鍚紒锛侊紒 绛旓細锛1锛夊厛鏍规嵁缁熻琛ㄤ腑鍚勬湀鐢佃垂寮鏀暟鎹繘琛屾弿鐐癸紝杈规壘鐐硅竟鐢绘潯褰紝濡備笅鍥锛氾紙2锛6鏈堢數璐规渶澶氾紝2鏈堢數璐规渶灏戯紱锛3锛夎繖6涓鏈堜竴鍏变氦鐢佃垂锛200+172+180+190+200+210=1152锛堝厓锛夛紝骞冲潎姣忔湀鐢佃垂锛1152梅6=192锛堝厓锛夛紝绛旓細杩6涓湀涓鍏变氦鐢佃垂1152鍏冿紝骞冲潎姣忔湀鐢佃垂192鍏冿紟鏁呯瓟妗堜负锛6锛2锛1152锛192... 绛旓細锛1锛75-30=45锛堟绫筹級锛 绛旓細闄嶆按閲忔渶澶氫笌鏈灏戠殑鏈堜唤鐩稿樊45姣背锛 锛2锛夛紙30+40+45+35+75锛壝5锛 =225梅5锛 =45锛堟绫筹級锛 绛旓細杩浜涓鏈堢殑骞冲潎闄嶆按閲忔槸45姣背锛 锛3锛夛紙45-40锛壝40锛 =5梅40锛 =12.5%锛 绛旓細涓夋湀浠介檷姘撮噺姣斾簩鏈堜唤澧炲姞12.5%锛 锛4锛夛紙45... 绛旓細锛1锛5鏈銆6鏈堢殑姘磋垂鏄庢樉澶氫簬鍏朵粬鏈堬紱锛2锛夊洜涓烘姹夌殑姘斿欑壒鐐规槸鍐喎澶忕儹锛屾墍浠ヤ粬瀹剁數璐规尝鍔ㄧ殑鍘熷洜鍙兘鏄啲瀛ｇ敤鐑按鍣ㄧ殑鏃堕棿澶氾紝澶忓鐢ㄧ┖璋冪殑鏃堕棿澶氾紟 绛旓細锛1773-1573锛壝0.53锛=200脳0.53锛=106锛堝厓锛夛紱绛旓細灏忔槑瀹杩欎袱涓湀鍏遍渶浜ょ數璐106鍏冿紟 绛旓細姣忔湀閮芥瘮涓婁竴涓湀鑺傜害4.8鍏冿紝灏辨槸姣忎釜鏈堢數璐归兘姣斾笂涓湀灏4.8鍏冿紝鐢1鏈鐢佃垂45.5鍏冨彲鐭ワ細2鏈堬細45.5-4.8=40.7鍏 3鏈堬細40.7-4.8=35.9鍏 姹傞噰绾宠阿璋紒锛 绛旓細灏忔槑瀹朵簲鏈鍒濈殑璇绘暟涓2713.5kW?h锛5鏈堜唤鐨勮楃數閲忎负锛歐=42鍏0.5鍏/搴=84搴=84kW?h锛屽垯5鏈堟湯鐨勭數鑳借〃绀烘暟涓猴細84kW?h+2713.5kW?h=2797.5kW?h锛庣數鑳借〃琛ㄧ洏杞姩10r锛岀數璺腑娑堣楃殑鐢佃兘涓猴細W鎬=10脳11200kW?h=1120kW?h锛屽垯灏忔槑瀹舵墍浣跨敤鐨勭敤鐢靛櫒鐨勬诲姛鐜囦负锛歅鎬=W鎬籺=1120kW?h160h=0.... 本站交流只代表网友个人观点，与本站立场无关 |
