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温馨提示:答案为网友推荐,仅供参考
第1个回答 2009-11-14
初一数学期中测试题
初一数学期中测试题 班级________ 姓名_________
一、填空
1、(a-b)(a+b)=______;(x+1)(x-1)=________;
2、(x+2)2=______;
3、水由氢原子和氧原子组成,其中氢原子的直径约为0.0000000001米,用科学计数法表示为______________;
4、小明的身高约为1.69米,这个数精确到_____位,将这个数精确到十分位是_______;
5、小明在一个小正方体的六个面上分别标了1、2、3、4、5、6六个数字,随意地掷出小正方体,则P(掷出地数字小于7)=________;
6、用3cm,8cm,____cm长的三根小木棒能摆成一个三角形。
二、判断
1、 百分之一米(即10-6米)就是1微米。 ()
2、“任意掷出一枚均匀的硬币,正面朝上”这个事件的概率是1。()
3、同位角相等。 ()
4、用“5cm,6cm,10cm”长的三根木条,能摆成一个三角形。 ()
三、选择
1、一个游戏的中将率是1%,小花买100张奖券,下列说法正确的是()
A.一定会中奖 B.一定不中奖 C.中奖的可能性大 D.中奖的可能性小
2、王刚设计了一个转盘游戏:随意转动转盘,使指针最后落在红色区域的概率为1/3,如果他将转盘等分成12份,则红色区域应占的份数是()
3、如图中,方砖除颜色的外完全相同,小老鼠在方砖上自由走动,最终停留在白色方砖上的概率是() A.4 B.1/4 C.5/9 D4/9
4、在△ABC中,已知∠A=100°,∠B=∠C,则∠C的度数是()
A. 40° B. 80° C. 30° D. 60°
四、计算
1、(3mn-m+2n)-(-3m+4mn)
2、(2x+y)(x-y)
3、(x+1)2-(x+1)(x-1)
4、108×112
初一数学期中测试题 班级________ 姓名_________
一、填空
1、(a-b)(a+b)=______;(x+1)(x-1)=________;
2、(x+2)2=______;
3、水由氢原子和氧原子组成,其中氢原子的直径约为0.0000000001米,用科学计数法表示为______________;
4、小明的身高约为1.69米,这个数精确到_____位,将这个数精确到十分位是_______;
5、小明在一个小正方体的六个面上分别标了1、2、3、4、5、6六个数字,随意地掷出小正方体,则P(掷出地数字小于7)=________;
6、用3cm,8cm,____cm长的三根小木棒能摆成一个三角形。
二、判断
1、 百分之一米(即10-6米)就是1微米。 ()
2、“任意掷出一枚均匀的硬币,正面朝上”这个事件的概率是1。()
3、同位角相等。 ()
4、用“5cm,6cm,10cm”长的三根木条,能摆成一个三角形。 ()
三、选择
1、一个游戏的中将率是1%,小花买100张奖券,下列说法正确的是()
A.一定会中奖 B.一定不中奖 C.中奖的可能性大 D.中奖的可能性小
2、王刚设计了一个转盘游戏:随意转动转盘,使指针最后落在红色区域的概率为1/3,如果他将转盘等分成12份,则红色区域应占的份数是()
3、如图中,方砖除颜色的外完全相同,小老鼠在方砖上自由走动,最终停留在白色方砖上的概率是() A.4 B.1/4 C.5/9 D4/9
4、在△ABC中,已知∠A=100°,∠B=∠C,则∠C的度数是()
A. 40° B. 80° C. 30° D. 60°
四、计算
1、(3mn-m+2n)-(-3m+4mn)
2、(2x+y)(x-y)
3、(x+1)2-(x+1)(x-1)
4、108×112
第2个回答 2009-11-12
英语作文一定是写关于房间的或关于家庭的。我今天刚考。还有一定要写26个字母个或5个元音字母。数学一定有根号什么的平方根。
参考资料:今天期中试卷上的
第3个回答 2009-11-14
网上找啊,多了去了,注意版本,各个学校使用的教材可能不一样。
第4个回答 2009-11-16
第8题不能作,第4题不会作
第5个回答 2009-11-15
数学试题
1+2=?
1+2=?