5x2画图表示它的意义
\u8fd9\u5e45\u79d1\u6280\u7ed8\u753b\u8868\u8fbe\u7684\u662f\u4ec0\u4e48\u610f\u601d\uff1f\u8fd9\u526f\u753b\u8868\u8fbe\u4e86\u8be5\u540c\u5b66\u5e0c\u671b\u4ee5\u540e\u7684\u751f\u6d3b\u4e2d\uff0c\u5927\u5bb6\u80fd\u5f88\u597d\u7684\u5229\u7528\u5927\u81ea\u7136\u7684\u8d44\u6e90\uff0c\u5229\u7528\u96f7\u7535\uff0c\u96f7\u7535\u662f\u6211\u4eec\u751f\u6d3b\u4e2d\u5e38\u89c1\u7684\u4e00\u79cd\u81ea\u7136\u73b0\u8c61\uff0c\u5b83\u7684\u6bcf\u4e00\u6b21\u51fa\u73b0\u90fd\u5e26\u6709\u5f3a\u5927\u7684\u7535\u8d44\u6e90\uff0c\u6b64\u753b\u662f\u4eba\u7c7b\u5236\u9020\u51fa\u4e86\u8fd9\u6837\u7684\u4e00\u4e2a\u6536\u96c6\u96f7\u7535\u8d44\u6e90\u7684\u673a\u5668\uff0c\u7136\u540e\u53c8\u628a\u8fd9\u4e9b\u8d44\u6e90\u5206\u7ed9\u5176\u4ed6\u7684\u4e00\u4e9b\u673a\u5668\uff0c\u8fd9\u4e9b\u673a\u5668\u5229\u7528\u96f7\u7535\u8d44\u6e90\u8fdb\u884c\u8fd0\u4f5c\uff01
\u7ed3\u8fc7\u5a5a\u53e5
表示5个2相加,也表示5的2倍是多少
祝学习顺利!!
绛旓細鎮ㄥソ锛佹垜鏄鐢诲浘鏉ヨВ绛旂殑 绠楀嚭榛勮壊閮ㄥ垎鍜屼腑闂寸┖蹇冮儴鍒嗙殑闈㈢Н姣 鐒跺悗浠29鐨勫钩鏂归噷闈㈡潵鍒嗛厤 闈㈢Н姣旓紙5脳2脳2锛夛細锛3脳3锛夛紳20锛9 榛勮壊閮ㄥ垎鐨勯潰绉槸29脳29梅锛20锛9锛壝20锛580骞虫柟鍘樼背 闀挎柟褰㈢殑闈㈢Н鐩稿綋浜2涓笁瑙掑舰锛屾墍浠ワ紝580梅4脳2锛290骞虫柟鍘樼背 ...
绛旓細鎵2涓湭鐭ユ暟,鍥捐В娉曡嚜宸鐢诲浘.鍗曠函褰細鏍囧噯鍨嬶細maxz=2X1+X2+0X3+0X4 ST:3X1+5X2+X3=15 6X1+2X2+X4=24 Cj鈫 2 1 0 0 Cb 鍩 b X1 X2 X3 X4 0 X3 15 3 5 1 0 0 X4 24 [6] 2 0 1 妫楠屾暟 2 1 0 0 --- 0 X3 3 0 [4] 1 -1/2 2 X1 4 1 1/3 0 1/6 ...
绛旓細杩欎釜绠楀紡鐨勫惈涔鏄3/5鐨1/2鏄灏戯紝鍏堢敾鍑3/5鍐嶇敾鍑瀹冪殑1/2锛屽叿浣撳仛娉曞鍥 杩欎釜鍥惧舰骞冲潎鍒嗘垚浜斾唤锛屽彇涓変唤锛屽啀鎶婂彇鍑烘潵鐨勪笁浠藉钩鍧囧垎鎴愪袱浠斤紝鍙栦竴浠斤紝閭d箞鏁翠釜鍥惧舰灏辫鍒嗘垚浜嗗崄浠斤紝鍙栧嚭鏉ヤ簡涓変唤锛屾墍浠ユ渶鍚庣殑绛旀灏辨槸3/10
绛旓細璇蜂綘鍐嶈嚜宸辨瀯閫犲嚑涓笉甯﹀弬鏁扮殑濡俧1,f2褰㈠紡鐨勫嚱鏁板苟鐢ㄧ6姝ョ殑鏂规硶灏濊瘯浣滃浘骞跺彂鐜拌寰 濂戒簡,灏濊瘯涓涓媐3=y2+y5濡備綍浣滃浘 鍐嶅皾璇曞涓嬪嚱鏁扮殑浣滃浘h1=2x,h2=-3x,h3=5x,g1=|2x|,g2=|3x|,g3=|5x| 鍐嶅皾璇曚竴涓嬪嚱鏁皍1=-2|x|,u2=3|x|,u3=5|x|*(-1)^([x])(鍙栨暣鍑芥暟[x])鐨勪綔鍥 濡傛灉...
绛旓細鑷冲皯闇瑕7绫崇殑濉戞枡缃戙傦紙3+2锛墄2-3 =5x2-3 =10-3 =7锛堢背锛夛紙3+2锛墄2-2 =5x2-2 =10-2 =8锛堢背锛夌瓟锛氳嚦灏戦渶瑕7绫崇殑濉戞枡缃戙傘愯В鏋愩戣繖鏄亾鏈夊叧瑙e喅瀹為檯闂鐨勫簲鐢ㄩ锛屽鐢熻濂藉ソ鐪嬮锛岀煡閬撻暱鏂瑰舰鍛ㄩ暱=锛堥暱+瀹斤級x2锛屽厛鐢诲浘锛岃鑰冭檻鍏ㄩ潰锛屾湁涓ょ鍙兘锛屽啀璁$畻锛屽鐢熻浠旂粏璁$畻銆
绛旓細鍦ㄤ笂闈㈢殑鏁欏璁捐涓,鏁欏笀鍊熷姪鍑犱綍鐢绘澘璇句欢,甯姪瀛︾敓褰㈣薄鐩磋鐨勭悊瑙d簡鍙嶆瘮渚嬪嚱鏁板浘璞$殑鍙樺寲瑙勫緥,鍙戠幇鍙樺寲杩囩▼涓殑鐗规畩鐐圭殑,鑷劧鐨勫綊绾冲嚭鍙嶆瘮渚嬪嚱鏁板鍑忔х殑鎬ц川鍙婅嚜鍙橀噺鐨勫彇鍊艰寖鍥,骞朵笖閫氳繃缁撳悎绗﹀彿璇█鍜岃В鏋愬紡鍏ㄦ柟浣嶈癄閲婂鍑忔鐨勬剰涔.瀛︾敓涓嶄絾鐞嗚В鑰屼笖璁板繂,鑰屼笖閫斿緞鍏ㄩ潰,鏇村ソ鐨勬劅鍙楀埌鍑芥暟鐨勪笁绉琛ㄧず鏂规硶鐨勬暣浣撲竴鑷存.2....
绛旓細鈶¢棶n杈瑰舰鐨勫唴瑙掑拰鐨勫害鏁颁负 (鐢ㄨ竟鏁皀鐨勪唬鏁板紡琛ㄧず)鈶㈡牴鎹憽寰楀嚭鐨勭粨璁,鑻ュ浘褰㈡槸 22杈瑰舰,璇曟眰瀹冪殑鍐呰鍜岀殑搴︽暟銆 瑙:涓冨勾绾х涓瀛︽湡鏈熸湯鏁板鑰冭瘯鍗烽鍙 涓浜屼笁鍥涗簲 鎬诲垎寰楀垎(1) (2) (3) (4) (鏈瘯鍗锋弧鍒100鍒,鍦90鍒嗛挓鍐呭畬鎴. 鐩镐俊浣犱竴瀹氫細鏈夊嚭鑹茬殑琛ㄧ幇)涓銆侀櫡闃卞澶,瑕佺粏蹇冨摝!濉┖棰:(姣忛2...
绛旓細3.鍦ㄥ皬鏁0.738231693450鐨勫皬鏁伴儴鍒嗗~涓琛ㄧず寰幆鑺傜殑涓や釜鐐癸紝浣垮叾鍙樻垚寰幆灏忔暟銆傚凡鐭ュ皬鏁扮偣鍚庣100浣嶄笂鐨勬暟瀛楁槸3锛岃繖涓惊鐜皬鏁版槸鎬庢牱鐨勶紵鐜版湁鐨勶紝绗浜浣嶃佺浜斾綅銆佺涔濅綅鏄3锛岀100浣嶆槸3锛屽嵆鐪嬬99浣嶅埌鍓嶉潰鏈3鐨勬儏鍐碉細99锛2=97锛99锛5=94锛99锛9=90 97鏄川鏁帮紝鑻ユ槸寰幆灏忔暟锛瀹冪殑寰幆鑺傚氨...
绛旓細2.鐢ㄩ暱闄ゆ硶锛堣繃绋嬬暐锛屽洜涓烘垜鏄彛绠楃殑= =...锛夈(3x^3+8x^2-6x+10)/(3x-1)=x^2+3x-1鈥︹9 3.f(x)=x^6+3x^4+x+2 涓闃跺鍑芥暟锛歠'(x)=6x^5+12x^3+1 浜闃跺鍑芥暟锛歠"(x)=30x^4+36x^2 浠"(x)=30x^4+36x^2=6x²(5x²+6)=0 鍦ㄥ疄鏁拌寖鍥村唴瑙e緱鍞竴...
绛旓細1銆佸垵姝ョ悊瑙f柟绋鐨勬剰涔,浼氬垽鏂竴涓紡瀛愭槸鍚︽槸鏂圭▼銆2銆佷細鎸夎姹傜敤鏂圭▼琛ㄧず鍑烘暟閲忓叧绯汇3銆佸煿鍏诲鐢熻瀵熴佹瘮杈冦佸垎鏋愭鎷殑鑳藉姏銆傛暀瀛﹂噸闅剧偣:浼氱敤鏂圭▼鐨勬剰涔夊幓鍒ゆ柇涓涓紡瀛愭槸鍚︽槸鏂圭▼銆傛暀鍏峰噯澶:澶╁钩銆佺┖姘存澂銆佹按(鍙牴鎹疄闄呭彉鎹负鍏跺畠瀹炵墿)鏁欏杩囩▼:涓銆佸鍏ユ柊璇:浠婂ぉ鎴戜滑涓婅瑕佺敤鍒颁竴绉嶉噸瑕佺殑绉伴噺宸ュ叿,瀹冩槸浠涔堝憿...