1、五年级数学上册计算题专项练习一、直接写出得数。2.54=200.5=7.21.2=3.86100=3.90.01=98,4100=9.11.3=8.210=1-0.45=36+2.45=0.480=0.427= 73425=0.691=1.210.6=0,50.2=8.42.1= 761000= 8.7-5=1.288=4025= 0.51100= 0.5899= 0.60.9=0.10.5=0.520.52=12.4-(2.4+3.25)=12.50.50.4= 1.51.51.5= 1084184=2.6+3.1-2.6+3.1= 5.7a+a= 102.5= 2.51.950.4=x-0
2、.3x=4a7= 7.20.9= 0.270.03= 00.9951000=1.2580.625=7.54=0.90.3= 6.868= 04.614.61=mm= m+m= m1=0.58= 3.60.4= 39.680= 47.61= 6.450.01= 40.5= 120.06= 121.2= 330= 500.04= 800.3=0.157= 3.26+3.24= 2.540.36= 3.60.4 12.58= 1.19 0.2+0.80.5= 6.031000= 100.6= 30.9=0.10.1= 0.240.5= 5.43.6= 1.250.25= 0.60.8= 10.24.
3、5 2.56 90.25 0.1254= 4.7644.7= 1.2580.5= 160.01= 1.780.3= 0.270.003= 2.52.34= 0.010.1= 1.820= x-0.4x= 5d-2d= 38.500.38= 3.60.4= 0.60.8 2.43 0.120.7 0.540.54= 45 2.50.4= 1.60.5 0.20.05 3.61.22.4= 二、列竖式计算并验算2.70.32= 3556= 0.366.9= 15.3612=11.20.142.341.5= 11.72.6= 25.242= 3.7434 2.732.6 1.722.6 0.233.
4、8 0.854.5 4.1423 2.77. 62961(得数保留两位小数) 4.82.3(得数保留一位小数) 6.490.58(得数保留三位小数) 0.271.1(得数保留两位小数)4.71.36(得数保留一位小数 0.961.7(得数保留两位小数)3.84.5(得数精确到百分位) 5.720.18(省略十分位后面的尾数)1.553.8(省略百分位后面的尾数) 3.817(得数精确到十分位)2818=103=78.611=1.59.912.611(用循环小数表示。)1、(得数保留一位小数)(1)0.380.23 ( 2) 5.793.6 (3) 4.60.25 (4)624 (5)52.95
5、75 (6) 3.017 (7)4.9511 (8)84.0131(用乘法验算) (9)0.64619 (10)4.70.59 2、(除不尽的保留两位小数)(11)31.2 (12) 2.70.36 (13) 88.41.7 (14) 7.5250.38(15)415 (16)91.20.57 (17) 84.841.2 (18) 5.636.1 (19)5677 (20)1.474.2 (21)19.190.95 (22) 56.296.1(23)2333 (24)7.410.57 (25) 21240 (26)9.6816 (27) 3.850.76 (28)53.34.7 (29)56.
6、296.1 (30)28.7431 3、得数用循环小数表示。(31) 0.20.06 (32) 1311 (33) 30.133 (34) 1715(35)7.82.2 (36)5.529 (37)67.811 (38)87三、脱式计算。40.22.716.2 (24.832)7 7.32-4.370.8 4.050.050.817.620.16-0.16 8.75(12.57) 721.44(0.10.05)0.432(6.21-6.09) 4.80.4-2.121 (8.15.6)0.910.59.28(2.1-1.7)2.5 6.4(.2.1)0.8 3.4(1.2+0.5)50.813
7、3.125.28 118(11.412.50.8) 42(5.250.25)0.412.60.280.2四、简便计算。1.255.78 100.22.55.612.5 9.42+2.80.254.5996.51.983.250.2 1.561.7+0.441.7 11.72-7.85-1.72 1.825+1255.58.20.18550.250.08948.81.25 2.614.52.616.52.614.32.50.42.354.640.53623.512.51.360.80.43101 321.010.13.2643.5153.5152.610.14.04-4.042.023.540.
8、43.540.45.749.9+5.744.83101-4.835.91-5.9132.53.60.9 12.50.38.8 1.25(1008) 3.51.02+350.098 3.41.018.48.41.51.8 12.54.5+4.512.5+12.5 1.298 2.41.250.3 0.27990.2750(6.70.02)(0.252.525)0.4 13.52.50.1250.48 2.53.20.125 6.80.750.5 13.750.1252.75 1.53+23.47.2 22.913.6812.68 4.7114.7 (65) 28.86.36.318.8 (66)
9、4.85.24 (67)5.37(2.371.8) (68)10.012.781.59(69)2.851.250.8 (70)10.50.2512 (71) 3.791.6+7.391.691.6(72)3.20.823.21.18 (73)4.050.51.14 (74) 1.58991.58(75)12.50.42.58 (76)7.7520(3.24-3.04) (77)43.21.834.6 (78)4.27.8+2.24.2 (79) 0.873.16+4.64 (80)12.54.8(81)4.74.7+4.76.34.7 (82)12.53.20.25 (83)23.47.26.
10、50.8 (84)20.649.830.17 (85)6.8(1.2+0.5)0.04 (86) 7.265.41.741.6 (87)2.062.0699 (88)9.5101 (89)1002.70.362.55 (90) (1.621.621.621.62)1.82.5 (91)2.80.50.528.20.5 (92)3.22.51.25 (93) 7.2(7.226.4)0.9 (94)4.6532+2.546.5+0.465430 (95)7.2567.875+7250.7875+72500.053375 (96)0.461.90.541.9(97) 3.45102 (98) 12
11、.5 88 (99) 13.650.256 (100) 28.986.3 -3.15 五、列式计算。1、53与1.28的和乘9.4积是多少?2、2减0.8的差乘4.23加上0.8的和,等于多少?3、从50.9里减去6.2的5倍,所得的差除以2,商是多少?4、一个数的8倍,减去最小的和数,差是36.8,求这个数.5、甲、乙两数,乙数比甲数的3倍多0.1,乙数是5.8,甲数是多少?6、9.6减去4.6的差除15.6加9.4的和,商是多少?7、5.8与3.55的差除以0.45,的多少?8、2.25与0.4的积除以18.09与20.1的商,结果是多少?9、23.5减3.6与0.4的和乘2.5的积,差是
12、多少?10、10与8.7的和,除以4.5与1.1的差,商是多少?11、1.2与3.3的和的1.8倍是多少?12、7.2除以2.5乘0.4的积,得多少?13、9个4.8相加的和比14.8多多少?14、2.3与0.57的差,乘0.6,积是多少?六、解方程。91x=1.31.2x2=60(x4)25=10x-0.630.7=1(x+9)5=2.425.1-x=2.94x+1.25=24.44.3x3x=266x10.8=13.2x6.21.5=2.58x24 x0.51.2 x3.8=9.53 4.06x=7.11 (71.4)x=2.8 5x311=42(x1.5=1.5 2.4x=26.4 3x
13、24=9 13x+27=40 7.2x3.6x90.4 1.820.3x2.4966+4x=56 3x1.2x=9 3.6x21.48.2 180.610x=4.26 0.4(x3)=0.72 1.5(10x)=3 2.8(3x)=3.50.2 0.8(x4.8)=5.2 (x6)0.5=3 4x4518=21 1.6x9=3.8 4(0.9x)=4.8 (x1.9)5=1.1 3x+27=50 0.4200.4x=6 24x8x=28.8 4.5x+1.6x=42.7 12 (x3.7)144 0.5(x1.8)=2.4 9x5.26=4.8 (2.5x)0.8=5 22.525x=135
14、4(0.3x)=4.8 0.4200.4x=6 (4x0.32)1.6=2.08 3.5xx=17.5 4x10=x110 1.6x2x0.7=18 28x3.620 8.95x=2.7 3.5451.7x=13.45 4x0.321.6=2.08 3.5x0.8x11.349x145.558 6.2xx41.6 2.8(3x)=3.50.2七、列方程解答。1、一个数除5.6得28,这个数是多少?2、五(1)班有学生x人,平均分成6组,每组8人。3、一个数比它的5倍少2.4,这个数是多少?4、一个数的9倍比它的4倍多10,这个数是多少?5、一个数的一半是6.5,这个数是多少?6、一个数的3倍加上1.5,和是16.5,求这个数。- 4 -
Copyright © 2018-2021 Wenke99.com All rights reserved
工信部备案号:浙ICP备20026746号-2
公安局备案号:浙公网安备33038302330469号
本站为C2C交文档易平台,即用户上传的文档直接卖给下载用户,本站只是网络服务中间平台,所有原创文档下载所得归上传人所有,若您发现上传作品侵犯了您的权利,请立刻联系网站客服并提供证据,平台将在3个工作日内予以改正。