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《简易方程》练习题及答案.pdf

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1、5.1 用字母表示数量关系一、请你填一填。1一只手有5 个手指，两只手有10 个手指，n 只手有（）个手指。2四（1）班有学生a 人，其中男生有27 人，女生有（）人。3商店运进n 盒彩笔，共计20 元，每盒彩笔（）元。4明明比红红大2 岁，今年红红a 岁了，今年明明（）岁。57x 或 x 7 可以写成（）或（），也可以简写成（）。二、用含有字母的式子表示。1x 页y 页（1）两本字典一共有（）页。（2）现代汉语词典比新华字典多（）页。2某小学买来54 本语文练习本和60 本数学练习本。X 元y 元买语文练习本花了多少元？买数学练习本花了多少元？各买一本花多少元？三、红红有a 本课外书，亮亮比

2、红红少7 本，亮亮有（）本，他们俩一共有（）本。答案：一、1.5n 2.a-27 3.20n 4.a+2 5.7x x7 7x 名师归纳总结|学业有成，更上一层楼第 1 页，共 12 页餐厅厨房y 二、1.(1)x+y (2)y-x 2.54x 60y x+y 三、a-7 2a-7 5.2 用字母表示运算定律一、填一填。1a+a+a 可以写成（）。2bb 可以写成（），读作 b 的（）。3正方形的边长为a，则 c=（），s=（）4长方形的长是x，宽是 y，则 c=（），s=（）。二、根据运算定律在下面的里填上适当的数。38+=41+59+62=+59 +72=72+4

3、8 314+288+412=314+（+）（18+34）+66=18+（+）三、用简便方法计算。21+236+79 682+144+318 376+246+254 283+170+230+117 四、下面是红红家餐厅和厨房的平面图。（注：餐厅是一个正方形）1厨房的周长是（），面积是（）。2餐厅的周长是（），面积是（）。3整个平面图的周长是（），面积是（）。x 答案：名师归纳总结|学业有成，更上一层楼第 2 页，共 12 页文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4

4、N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:

5、CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7

6、HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 Z

7、L4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编

8、码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L

9、7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3

10、 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4一、1.3a 2.平方3.4a 4.2(x+y)xy 二、41 38 62 48 288 412 34 66 三、336 1144 876 800 四、1.2(x+y)xy 2.4y 3.2(x+2y)(x+y)y 5.3 用字母表示复杂的数量关系一、说出下面式子表示的意思。王老师每分钟打x 个字。17 x 40 x 二、说出下面式子表示的意思。a元4 元b元1说出下面式子表示的意思。a+4+b 和 3a+4

11、 2当 a=35，b=50 时，求 a+4+b 和 3a+4b 的值。三、看图计算。1 x-y，2(x+y)和 x y 分别表示什么意思？y x 名师归纳总结|学业有成，更上一层楼第 3 页，共 12 页文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9

12、C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N

13、6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:C

14、Y9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 H

15、B9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL

16、4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码

17、:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4X 厘米96 厘米2当 x=12，

18、y=7 时，求上面各式的值。四、妈妈骑车去上班，平均每分钟行250 米，家与单位相距4000 米；妈妈骑了t 分钟后，距离家有多远？当 t=9 时，妈妈距离家有多远？答案：一、17 分钟打了多少个字 40分钟打了多少个字二、1.略2.89 305三、1.长比宽多多少周长是多少面积是多少2.5 38 84 四、250t 2250 米5.4 方程的意义一、是方程的在后面的括号里画，不是的画。+3 56()y16 ()4(a+b)=64 ()3 135（）二、看图列方程。三、正方形周长20 米。长方形面积72 平方米X 克 5克80 克 20 克名师归纳总结|学业有成，更上一层

19、楼第 4 页，共 12 页文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6

20、C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y

21、10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A

22、7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5

23、J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O

24、1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C

25、1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4米米四、先读一读，再列方程。1大货车每次运货n 吨，运了6 次，共运货42 吨。2一辆汽车到站时，有5 人下车，8 人上车，车上还剩15 人，车上原有人。答案：一、二、x+5=80+20 4x=96 三、4x=20 1.6x=7.2

26、四、1.6n=42 2.X-5+8=15 5.5 等式的性质一、根据等式的性质在里填上运算符号，在里填数。16 x=48 2.x=60 X=484 x=6032 x=32 4.8x=40 2X+5=32 8 x7=40二、应用等式的性质填空。1X+16=40 2.x 52=4 x+1616=40（）x 52+52=4（）宽 16 米名师归纳总结|学业有成，更上一层楼第 5 页，共 12 页文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O

27、1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C

28、1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6

29、N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY

30、9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB

31、9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4

32、N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:

33、CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4x=（）x=（）3x8=24 4.3 x=27 x8（）=24（）3 x（）=27（）x=（）x=（）三、看图列方程。四、用方程表示下面的数量关系。1.2.原价：211元优惠：X 元现价：156 元答案：一、1.6 2.4 3.+5 4.-7 二、1.-16 24 2.+52 56 3.8 8 192 4.3 3 9 三、3x=30+30 40+60=x+30 四、1.2x+28=36 2.X+156=211 5.6 解方程一、看图列方程，并

34、求X 的值。12.二、求下列方程中的X 值。名师归纳总结|学业有成，更上一层楼第 6 页，共 12 页文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 Z

35、L4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编

36、码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L

37、7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3

38、 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文

39、档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M

40、5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C43.2+X=4.6 X25=73 18X=9 三、人的骨骼约是体重的0.18 倍。爸爸的骨骼重12.6 千克，他的体重是多少千克？四、每

41、平方米阔叶林每天能制造75g 氧气，是每平方米草地每天制造氧气的5 倍，每平方米草地每天能制造多少克氧气？五、世界上最轻的鸟是蜂鸟。一只麻雀的体重是80 克，是蜂鸟的50 倍，一只蜂鸟重多少克？答案：一、1.5x=40 x=8 2.+1.2=5 x=3.8 二、x=1.4 x=98 x=0.5 三、解：设他的体重是x 千克。x 0.18=12.6 x=70 四、解：设每平方米草地每天能制造x 克氧气。5x=75 x=15 五、解：设一只蜂鸟重x 克。50 x=80 x=1.6 名师归纳总结|学业有成，更上一层楼第 7 页，共 12 页文档编码:CY9O1Y10M5L7

42、 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3

43、ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档

44、编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5

45、L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M

46、3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4

47、文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10

48、M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C45.7 实际问题与方程（一）一、看图列方程并求解。二、解方程并检验。9X+15=123 8X7=49 49 4X=17 55 5X=90 三、故宫的面积是72 万平方米，比天安门广场面积的2 倍少 16 万平方米，天安门广场的面积是多少万平方米？四、猎豹是世界上跑得最快的动物，能达到每小时110

49、千米，比大象的2 倍还多 30 千米。比汽车的2倍少 10 千米。1大象最快能达到每小时多少千米？2汽车每小时行多少千米？名师归纳总结|学业有成，更上一层楼第 8 页，共 12 页文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4

50、N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:CY9O1Y10M5L7 HB9C1A7S5M3 ZL4N6N5J6C4文档编码:

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