最新初一下册数学期末专项练习+++填空题优秀名师资料.doc
《最新初一下册数学期末专项练习+++填空题优秀名师资料.doc》由会员分享,可在线阅读,更多相关《最新初一下册数学期末专项练习+++填空题优秀名师资料.doc(12页珍藏版)》请在三一文库上搜索。
1、初一下册数学期末专项练习 填空题填空题 a,b1、若,用“,”号或“,”号填空: , ; ,1,2a_,1,2b6,a_6,b342、若x,2,5, 则x 3, ,1,则x ,x433、若ab0;则|a|_|b|, -a_-b; 24、用表示大小关系的符号填空:(1) _0; (2) ,|x|_0; a222(3) _0; (4) _0; x+1xxyy-+25、代数式-4x+5,当x_ 时它是负数;当x_ 时,它的值不小于2; B6、如图,一只蚂蚁从A地到C地,所行的路程x应满足 _ _ 437、写出不等式x-2.53,则m的取值范围是_ _ ,xm,x,2m,1,22、若不等式组的解集是x
2、,m,2,则m的取值应为_ ,x,m,2,510105,xx23、若,则x的取值范围是 xa,0,24、若关于x的一元一次不等式组无解,则a的取值范围是 ,122,xx,x,a,0,25、已知关于x的不等式组的整数解共有6个,则a的取值范围是_ ,3,2x,0,26、某商品的进价是500元,标价为750元,商店要求以利润不低于5%的售价打折出售,售货员最低可以打_折出售此商品( 227(多项式3x,6与x,4x,4有相同的因式是 ( a,1a28.若是二元一次方程,则= 。 ,a,2x,3y,1on, a small number of chicken farms also use mecha
3、nical sets eggs and manure. According to statistics, fully enclosed chickentilaticlimax. Was built as the fully enclosed intensive chicken farms, using artificial light, mechanical feeding and mandatory venfarm mechanization in our country forward under the slogan, the country started building a mod
4、ern large chicken farms in the saving awareness in the 1970 of the 20th century, the pig and chicken -saving, water-size, then go to the expropriation. 3. energy ble to local arable land area to determine an appropriate level of breeding size and not, as in the past, first determine thevailaaccounte
5、d for or less cultivated land, wasteland, the principle of slope land. When the chicken farm should generally not a g, and laying House, eggs, feed processing workshop, Office, etc). The poultry industry should work in land conservation, notrearinollup of 50,000 chickens laying hens, covers an area
6、of 14.87 hectares (233 acres) more (including Office of hatching, brood icken, . Development of poultry industry will occupy a certain area of land, there is a modern product with comprehensive rquality egg, ch0 cubic meters. Hen daily water intake to about 1.52 times, so when youto 230n is 600 mm.
7、1988 2474 cubic meters of water per capita in China, only 1/4 of the population all over the world, now reduced ould take full consideration of energy saving issues. Lack of fresh water resources in China, the average annual precipitatioon shference of 1020. Chinas energy supply is in short supply.
8、Therefore, in determining the breeding, poultry equipment selectientire opening is 0.5 kW , rolling open sheds at 0.45 kW . Hen house types, power consumption difference is very big, a dif kilowatt , half opened the henhouse when 25 kW (open), when the-coop per chicken when the annual electricity co
9、nsumption of 10 2 29(如图,Rt?ABC中,?C=90?,AD平分?BAC,BD平分?CBE,则?ADB=_?( 30(?1、?2、?3分别是?ABC的3个外角,则?1+?2+?3=_?( 31(下面的句子中是命题的有_( (1) 我是扬州人;(2)你吃饭了吗,(3)对顶角相等;(4)内错角相等; 22 (5)延长线段AB; (6)明天可能下雨; (7)若ab 则ab. 32(已知?ABC中,?A?B?C=1?2?3,则?ABC的最大内角为 度 x,yx,y33、已知: ,表示,得 。 y,1235,2x,1,34、已知关于x的不等式组无解,则a的取值范围是_( ,x,a,
10、0,xyx,y35、若5=12,5=4,则5=_ 。 36、话费充值时,中国移动公司的优惠是“买100送30”(即每买100元,送30元),铁通公司的优惠是“买40充100”(即每买40元充值为100元)(这两家公司的通话费标准为:移动公司每分钟0.26元,铁通公司每分钟0.30元(你认为选择哪家公司实际通话费便宜,答: (实际通话费每分钟便宜 元( 37、某运输队要运1500件玻璃器皿,按规定:完好无损完成运输任务每件付运输费2.5元;如果损坏一件,不但不能得到运费还要赔偿费3元,货物运完后共得到运费3618元,运输中共损坏玻璃器皿_件( 238、已知a0,,1b0,则a,ab,ab从小到大
11、排列的顺序是_ 10039、7,1的末位数字是_ 23240、已知代数式m+m,1,0,那么代数式m+2m+2003=_ nclosed intensive chicken farms, using artificial light, mechanical feeding and mandatory ventilation, a small number of chicgan, the country started building a modern large chicken farms in the climax. Was built as the fully esaving aware
12、ness in the 1970 of the 20th century, the pig and chicken farm mechanization in our country forward under the slo-saving, water-ion. 3. energyopriatrea to determine an appropriate level of breeding size and not, as in the past, first determine the size, then go to the exprd land, wasteland, the prin
13、ciple of slope land. When the chicken farm should generally not available to local arable land aivatefeed processing workshop, Office, etc). The poultry industry should work in land conservation, not accounted for or less cult hens, covers an area of 14.87 hectares (233 acres) more (including Office
14、 of hatching, brood rearing, and laying House, eggs,comprehensive rollup of 50,000 chickens laying quality egg, chicken, . Development of poultry industry will occupy a certain area of land, there is a modern product with water intake to about 1.52 times, so when youers of water per capita in China,
15、 only 1/4 of the population all over the world, now reduced to 2300 cubic meters. Hen daily ic meton of energy saving issues. Lack of fresh water resources in China, the average annual precipitation is 600 mm. 1988 2474 cuby supply is in short supply. Therefore, in determining the breeding, poultry
16、equipment selection should take full considerati. Hen house types, power consumption difference is very big, a difference of 1020. Chinas energ kilowatt , half opened the henhouse when 25 kW (open), when the entire opening is 0.5 kW , rolling open sheds at 0.45 kW-l electricity consumption of 10annu
17、a ken farms also use mechanical sets eggs and manure. According to statistics, fully enclosed chicken coop per chicken when the3 lb被直线所截,?3=50?,当?1=_?时,?; 如图,直线aa,b41xym,,x,2,关于x、y的方程组的解是,则m,n,_; 42,xmyn,,y,1,如图,AD?BC,BD平分?ABC,且?A,100?,则?D,_度;43、 244、如图大矩形的长10cm,宽8cm,阴影部分的宽2cm,则空白部分的面积是 _ cm。 45、一个多
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 最新 初一 下册 数学 期末 专项 练习 填空 优秀 名师 资料
链接地址:https://www.31doc.com/p-1469679.html