数学八年级上册！探究97页！！！！！！！
\u65b0\u8bfe\u7a0b\u5b9e\u8df5\u4e0e\u63a2\u7a76\u4e1b\u4e66\u516b\u5e74\u7ea7\u4e0a\u518c\u6570\u5b66\u7b54\u6848\u4f60\u7684\u8981\u6c42\u592a\u9ad8\u4e86\uff0c
\u600e\u4e48\u8bf4\u4e5f\u5e94\u8be5\u7ed9\u70b9\u5185\u5bb9\u5427\uff1f
\u518d\u8bf4\u4e86
\u4f5c\u4e1a\u5e94\u8be5\u81ea\u5df1\u5b8c\u6210
\u4e0d\u4f1a\u7684\u624d\u6765\u95ee\u561b\uff01
lalala
\u4f60\u662f\u767d\u803d\u8bef\u65f6\u95f4\u4e86
=8.9*10
=89
[2] 132.68+124.12+171.2
=428
我是初一的我都会你太那个啦把你的财富值快点给我吧
绛旓細涔樻硶鐨勭粨鍚堝緥 锛坅b锛塩=a锛坆c锛夛紙ab锛塣3=(ab)(ab)(ab)=锛坅路a路a锛壜凤紙b路b路b锛=a^3b^3 杩愮畻缁撴灉瑙勫緥锛氱Н鐨勪箻鏂癸紝绛変簬鎶婃瘡涓洜寮忓垎鍒箻鏂癸紝鍐嶆妸鎵寰楃殑骞傜浉涔樸
绛旓細{1}8.9*銆1.23+5.32+3.45銆=8.9*10 =89 [2] 132.68+124.12+171.2 =428 鎴戞槸鍒濅竴鐨勬垜閮戒細浣犲お閭ｄ釜鍟︽妸浣犵殑璐㈠瘜鍊煎揩鐐圭粰鎴戝惂
绛旓細鎵浠ワ細BE+EC=CF+EC 鎵浠ワ細BC=EF 鍦ㄤ笁瑙掑舰ABC鍜屼笁瑙掑舰DEF涓 {AB=DE {AC=DF {BC=EF 鎵浠ワ細涓夎褰BC鍏ㄧ瓑涓夎褰EF(sss锛夋墍浠ワ細瑙扐=瑙扗
绛旓細鏈功閲囩敤绠浣撲腑鏂囩紪鍐欙紝寮鏈负16寮锛屾瘡鏈功椤垫暟涓97椤锛屽唴瀹圭簿鐐煎疄鐢ㄣ傚叾灏哄涓26.6鍘樼背闀裤2.2鍘樼背瀹姐0.6鍘樼背鍘氾紝鏂逛究鎼哄甫鍜岄槄璇汇備功鐨処SBN鍙风爜涓9787306036889锛屼究浜庤鑰呭湪涔﹀簵鎴栫綉缁涓鏌ユ壘鍜岃喘涔般傛澶栵紝杩橀厤鏈変竴涓潯褰㈢爜9787306036889锛岀敤浜庡浘涔︾鐞嗗拰閿鍞郴缁熶腑鐨勮瘑鍒傛荤殑鏉ヨ锛岃繖鏄竴鏈拡瀵8...
绛旓細鍥炵瓟锛氬瓧鍐欏緱涓嶈禆
绛旓細锛1锛夎鍏勾绾涓鍏眡浜恒倄<=300 x+60>300 瑙ｅ緱锛240<x<=300 锛2锛夎姣忔敮鎵瑰彂浠蜂负a鍏冿紝闆跺敭浠蜂负b鍏 6a=5b锛屾墍浠锛歜=5:6 xb=120锛岋紙x+60锛塧=120锛寈b=锛坸+60锛塧锛屾墍浠ワ紝x锛歺+60=a锛歜锛 a:b=5:6锛屾墍浠ワ紝x锛歺+60=5:6 x+60=浜斿垎涔嬪叚*x 浜斿垎涔嬩竴*x=60 x=300 绛旓細...
绛旓細闃村奖闈㈢Н = 6*6/2 - 2*2/2 = 16 澶т笁瑙掑舰鍙︿竴杈=6-2=4 = 鍙︿竴杈归暱4 锛屽嵆绛夎叞鐩磋涓夎褰 灏忎笁瑙掑舰涔熸槸绛夎叞鐩磋涓夎褰 闃村奖闈㈢Н = 杈归暱6鐨勭瓑鑵扮洿瑙掍笁瑙掑舰闈㈢Н - 杈归暱2鐨勭瓑鑵扮洿瑙掍笁瑙掑舰 = 6*6/2 - 2*2/2 =16
绛旓細97椤鍋氫竴鍋 0.4=鍗佸垎涔嬪洓=浜斿垎涔嬩簩 0.05=涓鐧惧垎涔嬩簲=浜屽崄鍒嗕箣涓 0.37=涓鐧惧垎涔嬩笁鍗佷竷 0.45=涓鐧惧垎涔嬪洓鍗佷簲=浜屽崄鍒嗕箣涔 0.013=涓鍗冨垎涔嬪崄涓 98鍋氫竴鍋 涓鍗冨垎涔嬩笁鍗佷竷=37梅1000=0.037 浜屽崄鍒嗕箣涔=9梅20=0.45 鍥涘崄鍒嗕箣涓夊崄涓=31梅40=0.775 涓夊崄鍒嗕箣涓=7梅30鈮0...
绛旓細绗簩棰橈細澧欑殑闈㈢Н=闀挎柟褰㈤潰绉+涓夎褰㈤潰绉=4脳5+5脳1.2梅2=23骞虫柟绫 鍏辩敤鐮栵細23脳185=4255鍧 绗笁棰橈細200+330)*100/2=26500(骞虫柟绫筹級1.8*5000=9000锛堝钩鏂圭背锛26500/9000鈮3锛堝皬鏃讹級绗洓棰橈細锛1锛夛細2脳6+锛8+4.6锛壝3/2+(6.6+2)脳3/2+3.2脳3/2 =12+24.4脳3/2 =12+...
绛旓細鍚戦噺绠ご鍧囩敤锛堬級琛ㄧず (PE)-(PA)=(AE)(PF)-(PB)=(BF锛(PD)-(PC)=(CD)涓夊紡鐩稿姞锛屽嵆鍙緱鍒扮粨璁
