(精品)人教版数学八年级下册同步练习(含答案)

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

16.11x25yxa211xAB.C.D.213xaxaxAB.C.31a,D.31a,3.1xx,x()A.0B.1C.-1D.14.(2008)ABCD5.x1111()A.0xB.21xxC.1xD.1x0x6._____,4312xx.7.______,68xx.8._______,534xx1.9.______,51x.10.______142x.11.221yxxxy12x)3)(2(5xxx123222mnmmn2mnmmnmmnmmnmn132005-2007321,,SSS20052007141260135015x1xx11a2a16.111________________________223_____________2a+bm+n________3abmn_________14a11x15x+y22abab-3x20?_______________________________25x12132xx22323xx6xA121xB21xxC231xxD2221xx7x______2134xx38x_______2212xxx419x______435xx1x_______435xx-11024xxx_______x_______112x5xy12a1xABCD1231xaxx=-aABCa-13Da1313x_______15xx______241x14A2211mmB211mmC211mmD211mm15||1xxxA0B1C-1D116y=123xxx1y2y?3y417xbm________18sa/?b/_______19ab_______2022xx-10x211x-1y=35352xxyyxxyy222005m=________2(1)(3)32mmmm16.121______________________________________________________21812=________212545=_______32613=________3:1122314215497154____________________________________________________________________________15115101139xyxy?A10B9C45D906()abc=-abc;xyx=xyx;abc=-abc;mnm=-mnm,ABCD72323523xxxx?A2332523xxxxB2332523xxxxC2332523xxxxD2332523xxxx28434yxa2411xx22xxyyxy2222aababbA1B2C3D49122699xxx22232mmmm310126xab29yabc22121aaa261a11aabAaabBaabC-aabDaab12Axyxy=xyxy;Bxyxy=xyxy;Cxyxy=xyxy;Dxyxy=xyxy13AamabmbBabab=0C1111abbaccD221xyxyxy142005a=232223712aaaa_______152005222aabab=_________1622(1)xx323(1)xx51xAx-12Bx-13Cx-1Dx-121-x31721?11xxx___________________18a2-4a+9b2+6b+5=01a-1b19x2+3x+1=0x2+21x20x+1x=32421xxx16.1A1yxx3A3BC3D92xyyx2A2B4C2D3ABCD4(2008)2xxxA2xB2xC2xD2x5ABCDABCD1392xxx__________.2x__________xx2121.________________x8x32x.3)0(,1053aaxyxya1422aa.4baab2205__________96922xxx__________.5P=999999,Q=911909,PQ6a0bc,a+b+c=1,M=acb,N=bca,P=cbaMNP.1222221111xxxyxxxxxy.3.416.1B3301ABCD2ABCD3ABCD4200822()ababbBa11b3181____29293,19921993,9192,19911992.3x=______145422xxx.469060xx-69090x906060x-6660x.52110.210a=2b16.1CA60(318)1.-,23x,1,87,1,,42axyxyxA.1B.2C.3D.42.2xxA.2xB.2xC.2xD.2x2x3.A2211mmB211mmC211mmD211mm4.434yxa2411xx22xxyyxy2222aababbA1B2C3D45.31xaxx=-aABCa-13Da136.yxyx2yx,2A.2B.2C.32D.(318)7.24xxx.8.x33xx0.9.),(32,,1,2,2,1222baxxyxbaa.10.115101139xyxy11.222aabab=12.22yxyxyx.82413.122699xxx22232mmmm14.126xab29yabc22121aaa261a15.,532zyxxzyx232.B40281.nm2m2nA.B.2C.4D.2.2323523xxxx?A2332523xxxxB2332523xxxxC2332523xxxxD2332523xxxx3.ab

1 / 12
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功