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1、如有侵权,请联系网站删除,仅供学习与交流五年级数学上册计算题专项练习【精品文档】第 - 5 - 页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= 10841
2、84=2.6+3.1-2.6+3.1= 5.7a+a= 102.5= 2.51.950.4=x-0.3x=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=
3、0.10.1= 0.240.5= 5.43.6= 1.250.25= 0.60.8= 10.24.5 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.
4、5= 11.72.6= 25.242= 3.7434 2.732.6 1.722.6 0.233.8 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)
5、0.380.23 ( 2) 5.793.6 (3) 4.60.25 (4)624 (5)52.9575 (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) 2
6、1240 (26)9.6816 (27) 3.850.76 (28)53.34.7 (29)56.296.1 (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.
7、59.28(2.1-1.7)2.5 6.4(.2.1)0.8 3.4(1.2+0.5)50.8133.125.28 118(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 3
8、21.010.13.2643.5153.5152.610.14.04-4.042.023.540.43.540.45.749.9+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
9、 22.913.6812.68 4.7114.7 (65) 28.86.36.318.8 (66)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(
10、81)4.74.7+4.76.34.7 (82)12.53.20.25 (83)23.47.26.50.8 (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+72
11、500.053375 (96)0.461.90.541.9(97) 3.45102 (98) 12.5 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.
12、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 4.06
13、x=7.11 (71.4)x=2.8 5x311=42(x1.5=1.5 2.4x=26.4 3x24=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
14、0.5(x1.8)=2.4 9x5.26=4.8 (2.5x)0.8=5 22.525x=135 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。