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1、精品文檔
五年級(jí)小數(shù)的簡(jiǎn)便運(yùn)算練習(xí)題及答案
一、口算。245=100-23.56= 1.50.4= 0.850=225=
8125= 1-0.48= .651=0.2500= .54=1216+816=
二、運(yùn)用運(yùn)算定律填空。
4.8+8.63+5.2+0.5.93+0.19+2.81 1.76+0.195+3.24
2.35+1.713+0.287+7.61.57+0.245+7.6.02+3.6+1.98
0.134+2.66+0.8661.27+3.9+0.73+16.1 .5+4.9-6.5
3.
2、07-0.38-1.1.29+3.7+2.71+6.8-2.45-1.55
3.25+1.79-0.59+1.7523.4-0.8-13.4-7.0.32403
3.2+0.36+4.8+1.61.23+3.4-0.23+6.60.2536
12.7-6.54-1.76-4.540.250.734
7.60.8+0.27.60.85190.258.54
1.288.6+0.728.12.50.960.10.4-9.60.35
0.83.12+3.129928.6101-28.6
0. 0.8615.7-0.86
3、14..4102
14-7.32-2.62.64+8.67+7.36+11.332.311.20.5
4.02+5.4+0.985.17-1.8-3.213.75-
3.68+7.56-2.687.85+2.34-0.85+4.66.6-1.8-15.6-7.2
3.82+2.9+0.18+9.1 .6+4.8-3.67.14-0.53-2.47
5.27+2.86-0.66+1.6313.35-4.68+2.6547.8-7.45+8.8
0.398+0.36+3.6415.75+3.59-0.59+14.22.5-
4、 73.8-1.64-13.8-5.366.86-8.66-1.340.2516.24
3.723.5+6.283.6.8-3.9-6.15.48-
4.87.8+780.523.61026.40.25+3.64
32+4.9-0.94.8-4.80.58
4.8100.1.59.9+56..0910.8-0.87.09
4.23.53201.25818.769.9+18.76
3.522.50.4.780.2+3.443.9-4.1+6.1-5.9
0.491. 1.252.53.6-0.62
5、 3.6510.13.6-3.60.15.20.254
5.63.59.60.80.4.299+4.2
0.89100.1 146.5-17.8
5.832+4.2780.1259.799+9.7
4.3612.515.613.1-15.6-15.62.10.65101
27.53.7-7.53.78.542.50..834.56+3.835.44
0.9.161.5-0.59.16.6-3.60.5
4.51..23.300.65
63.42.50.4.91.4.9
0..52.42
6、.745
0.351.2520.82.40.9+0.132. 150.25
70154.252.59.9+0.17
0.125640.68101.265.7-3.260.7
55.699+55.61.252130. 19.625-
3.425.7+4.33.4.7511-8.7
.9212
0.42.1= ○0.42.5= ○
25= 25+ 25
9.8124=124= -
三、兩個(gè)筑路隊(duì),甲隊(duì)8天修路6.48千米,乙隊(duì)9天修路10.35千米,先說(shuō)說(shuō)哪個(gè)隊(duì)的工作效率高些,
7、再計(jì)算一下你說(shuō)的對(duì)不對(duì)。
四、一個(gè)六層塔,每一層點(diǎn)燈的盞數(shù)都是它的上一層的3倍,已知最頂層點(diǎn)了2盞燈,求這座塔共點(diǎn)了多少盞燈?
73.8-1.64-13.8-5.366.86-8.66-1.340.2516.24
3.723.5+6.283.536.8-3.9-6.1.48-
4.87.8+780.5.6102
32+4.9-0.94.8-4.80.5
4.8100.156.59.9+56.5
4.02+5.4+0.9.17-1.8-3.2
3.68+7.56-2.68.85+2.34-0.85+4
8、.66
3.82+2.9+0.18+9.1.6+4.8-3.6
5.27+2.86-0.66+1.13.35-4.68+2.65
0.398+0.36+3.6415.75+3.59-0.59+14.25
6.40.25+3.6 .0910.8-0.87.0-5.6-1.8-15.6-7.2.14-0.53-2.447.8-7.45+8.2.5-13.75
4.23.53201.25 18.769.9+18.76
3.522.50.44.780.2+3.443.9-4.1+6.1-5.9
0.491.4
9、 3.6510.1
5.63.5
0.89100.1
5.832+4.27
4.3612.58
27.53.7-7.53.7
1.252.5323.6-0.62.6-3.60. 15.20.259.60.80.4.299+4.146.5-17.8 80.129.799+9.15.613.1-15.6-15.62.10.65101 .542.50.43.834.56+3.835.44
6048+975-30449839
6048+75-3005
6098+935-1045
10、 1048+975-345
87829
9948+275-304
68+975-345
64875-3005
40424-758
6407535
68975-345
5690635
68+975345
648+75-385+975-345
68+975-345
48975-304
6048+975-3045
20.5-1.074-8.355.5
48975-3045
20.5-1.074-8.355
11、.5
548975-3045
6748+975-5045
0.4250,380,01
748+95-45
0.4250,380,01
52.80.750.25
45 23
327+96643225
586-458127
3.684.6+6.32
60424-758
60424-758
47837839
47819
727+96603025
58-458025
36846+632
12、 64414-850859
五上小數(shù)乘除法簡(jiǎn)便運(yùn)算專項(xiàng)練習(xí)題
班級(jí)___________ 姓名______________
2.57.1 16.1299+16.125.20.9+0.9.3500.2
0.751990.8615.7-0.8614.0.253.23.5
7.2899+7.22615.7+15.724
8.053.4+7.3.3225
4.8100.1 .0910.8-0.87.09
0.9 1.9.599.8
1.24.832+4.9-0.12.50.42.5
13、84. 1 .8-4.80.50.279343+0.65727. 17.-..4
五上小數(shù)乘除法簡(jiǎn)便運(yùn)算專項(xiàng)練習(xí)題
班級(jí)___________ 姓名______________
2.5 .8299..51.250.320.12572
0.2539+0.256.80.750.280.56+440.412.556
13.50.12.58.5.70.28+6.30.28-0.282
9.59.161.53-0.05391..94.23.5
153.42.50..6-3.60.7 0.8
40. 0.81 0.184.40.8-3.40. .5
2
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