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1、vip 会员免费最新人教版五年级上册小数乘法简便计算练习题一、填空题：1、两个因数的积是10.2，其中一个因数不变，另一个因数缩小到它的，积是（）。2、两个因数的积是121.5，如果这两个因数分别都扩大10 倍，积是（）。3、根据 38451710，在括号里填上合适的数。3.84.5（）3.845（）0.38450（）380.45（）4、5.04千克（）千克（）克0.6 时（）分3.8平方米（）平方分米0.56千米（）米5、在里填上“”、“”或“”。47.61.0147.66.40.996.45.433.854.33810.950.956、2.470.09的积有（）位小数。7、9.924 用（
2、）律进行计算比较简便。8、一个三位小数，用“四舍五入”保留两位小数是6.35，这个小数最小是（）、二、判断题。（正确的画“”，错误的画“”，并订正）1、小数乘整数的意义与整数乘法的意义相同。（）订正：2、一个数乘大于 1 的数，积大于原来的数。（）vip 会员免费订正：3、0.1258 与 80.125的积相等。（）订正：4、111.31.31100。（）订正：.5、大于 0.6 小于 0.9 的小数只有两个。（）订正：6、整数乘法的运算定律对于小数乘法同样适用。（）订正：三、选择题。将正确答案的序号填括号里。1、3.3、3.30、3.300 这三个数（）。A 大小相等，但精确度不同B 相等、
3、精确度也相同C3.300最大D 不相等2、两数相乘，一个因数扩大 10 倍，另一个因数缩小 20 倍，积（）。A 扩大 2 倍B 扩大 10 倍C 缩小 2 倍D 缩小 10 倍3、1.0136（）A3.636B 36.36C363.6D36364、一个两位小数“四舍五入”保留一位小数是10.0，这个数最大是（）。A9.90B9.99C10.04D10.505、要求一个小数精确到千分位，也就是要（）。A 保留整数B 保留一位小数C 保留两位小数D 保留三位小数文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5
4、J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R
5、5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L
6、9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4
7、F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X
8、7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W
9、7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2
10、X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5vip 会员免费6、近似数 5.2 是把一个小数保留一位小数时所得到的，下列数中（）不可能是这个小数。A5.21B5.239C5.248D5.255四、计算题。1、直接写出得数。100.6 6.03 1000 0.15 70.10.1 0.24 0.5 6.45 0.015.43.6 1.25 0.25 10.2 4.52.56 0.6 0.15 9 0.252.52.50.1 0.125 4 1
11、.25 80.52、列竖式计算是。27.60.45 8.08 2.68 5.546 29.3817.040.26 8.35 3.5 5.08 0.253、按要求算一算。2.91.84.580.37（得数保留一位小数）（得数保留两位小数）文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3
12、HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 Z
13、T3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编
14、码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C
15、3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5
16、 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文
17、档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5vip 会员免费4、计算下列
18、各题。0.45120.26.22.12.12.82.80.152.81.430.57106.068.560.251.85、用简便方法计算下面各题。5.122.544.8812.517.80.89.92.59.45.810.65.8文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4
19、B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M
20、4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:C
21、K10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 H
22、X4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT
23、3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码
24、:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5vip 会员免费五、解决问题。1、
25、莹丰水泥厂七月份生产水泥7.5 万吨，八月份生产的水泥是七月份的 1.1倍，九月份生产的水泥是八月份的1.5 倍。九月份生产水泥多少万吨？2、一块菜地的宽是60 米，长是宽的 1.5倍，这块菜地的面积是多少平方米？3、食堂第一次买大米250 千克，第二次买大米300 千克，每千克大米 2.9元。两次买大米共付多少元钱？4、江村小学学生种6800 棵蓖麻，平均每 100 棵可以收蓖麻籽 25 千克，如果每千克蓖麻籽可榨油0.25千克，这些蓖麻籽共可榨油多少千克。文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5
26、J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R
27、5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L
28、9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4
29、F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X
30、7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W
31、7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5文档编码:CK10W7L9T1C3 HX4B2X4F5J5 ZT3M4H7X7R5