1、四五年级数学计算题练习25.6-(0.23+5.6)-1.77 13.75-(4.75+6.48) 7.83+2.34-0.83+6.66 3.82+2.9+0.18+9.1 25.48-(9.4-0.52) 35.6-1.8-15.6-7.2 5.93+0.19+2.81 7.3+2.7-7.3+2.748.4+2.78+51.6-0.78 23.4+0.8-13.4-7.2 4.8+8.63+5.2+0.37 3.07-0.38-1.621.27+3.9+0.73+15.1 5.84-1.8-3.2 132.44-(58.74+19.44) 7.5+4.8-6.5 3.25+2.76+1.
2、75 13.75-(3.75+6.48) 7.14-0.53-2.47 13.45-4.68+2.5547.8-7.45+8.2 36.8-4.5+6.98 49.8-9.6+8.8 15.2-6.8-3.45 1.76+0.65+3.24 0.134+2.66+0.8 7.5+4.9-6.3 3.45+1.79+0.654.85+8.63+0.37 1.76+3.44+0.35 36.54-1.76-8.66 8-2.45-1.02 23.4+3.4-0.23 6.02+3.6+1.98 3.07-0.38-1.62 7.5+4.9-6.5 36.8-3.9-6.88 3.285+1.79+
3、0.5923.4-0.8+13.4 32+4.9-8.6 1.29+3.7+2.71 5.93+0.49+2.069-2.45-1.65 21+0.56+11.3一、乘法：5.62.9 3.771.8 0.0296 5.220.3 9.990.024.670.9 52.44 1.666.1 9.40.02 5.66.54.882.9 5.614.3 8.92.4 5.555 9.770.021.385.1 8.788 2.661 0.050.2 4.81.7575.7 9.462.8 17.86.4 1.54.9 2.50.885.55.2 2.223.33 7.685 6.020.3 6.7
4、88二、除法：（循环小数的用简便方法，除不尽保留2位小数）85.4416 42.6710 1.70.001 7.50.15 30.666 21.2436 0.73623 43.512 35.217 39.6246.210.03 2101.4 51.30.27 91.23.8 0.7560.18 0.660.3 11.971.5 69.62.9 38.40.8 150.068.20.1 20.80.9 76.45.4 4.73 1.251.23242 14.362.7 8.336.2 1.70.03 2.410.7三、用竖式计算 （保留两位位小数）0.3961.2= 0.7560.36= 15.
5、613= 0.1815= 0.02514= 3.0636= 0.040.12 3.842.6 5.763 7.1522 90.753.3 3.680.2516.90.13 1.553.9 3.70.016 13.760.8= 5.20.6 8.41.3 6.40.5 4.480.4 5.255 35.44.2 0.0420.54 0.760.3240.250.046 2.523.4 1.0825 0.120.50.16 4.80.25 0.1251.4（保留两位小数）2.50.7= （保留三位小数） 10.13.3= （商用循环小数）10.7512.5= （用乘法验算） 3.259.04= （
6、用除法验算）用简便方法计算2586.24586.20.436152361.50.2451024510.23427+3473342.7+347.38699+868.699+8.6125881.258.86.94.83.1 0.4566.223.78 15.89(6.755.89) 4.025.40.98 5.171.83.2 13.75(3.756.48) 3.687.562.68 7.852.340.854.66 35.61.815.67.2 3.822.90.189.1 9.64.83.6 7.140.532.47 5.272.860.661.63 13.354.682.65 73.81.6
7、413.85.36 47.87.45+8.8 0.398+0.36+3.64 15.75+3.590.59+14.25 66.868.661.34 0.2516.24 (1.250.125)8 3.6102 3.723.56.283.5 36.83.96.1 15.613.115.615.62.1 4.87.8780.52 324.90.9 4.8100.1 56.59.956.5 7.0910.80.87.0925.48(9.40.52) 4.23.5 3201.258 18.769.918.76 3.522.50.4 3.94.16.15.9 5.63.5 9.60.80.4 4.2994
8、.2 17.8(1.784) 0.491.4 1.252.532 3.6510.1 15.20.254 0.89100.1 146.5(2346.5) 3.834.563.835.44 4.3612.58 9.7999.7 27.53.77.53.7 8.542.50.4 0.65101 3.20.2512.5 (45.932.7)80.125 3.140.6831.40.032 5.61.250.82.50.47.20.22.41.4 8.91.01 7.74（2.81.3）1.52.26 3.92.73.97.3 181.80.1250.8 12.79.91.27 21（9.33.7）5.
9、6 15.02-6.8-1.02 5.411-5.4 2.316+2.323+2.3 9.43-（6.28-1.57） 3.654.736.50.37 46572386 13.70.253.74 2.229.9+6.666.7 1010.87-0.9187 10.716.1-15.110.7 0.79199 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98 0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.
10、5 3.070.381.62 1.293.72.716.3 82.451.55 3.251.790.591.75 23.40.813.47.2 0.32403 3.20.364.81.64 1.233.40.236.6 0.2536 12.7（3.70.84） 36.541.764.54 0.250.734 7.60.80.27.6 0.85199 0.258.54 1.288.60.728.6 12.50.960.8 10.49.60.350.8（4.31.25） 3.123.1299 28.610128.6 0.8615.70.8614.7 2.4102 2.311.20.5 147.32
11、2.68 2.648.677.3611.33 7028 （2.50.25）0.4 9.161.50.59.16 3.63.60.5 63.42.50.4 4.91.4 3.9（1.35） （7.71.54）0.7 2.52.4 2.745 15（0.150.4） 0.351.2520.8 32.40.90.132.4 150.25 4.51.8 4.23.5 9300.653.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.57.325-3.29-3.325 7.325-(5.325+1.7) 7.325-(5.325-1.7) 3.29+0.73-2.29
12、+2.27 3.290.254 0.1258.8 0.250.28 0.1253.22.5 3540.2 0.2540.254 3.59.9 3.599+3.5 3.5101-3.5 3.59.9+3.50.1 3.52.7+350.733.52.7-3.50.7 (32+5.6)0.8 3.50.6-0.50.64.93.5 70.254 70.125 7.35(7.350.25) 7.35(7.350.25) 3.070.381.62 1.293.72.716.3 82.451.553.251.790.591.75 23.40.813.47.2 0.324033.20.364.81.64
13、1.233.40.236.6 0.253612.7（3.70.84） 36.541.764.54 0.250.7347.60.80.27.6 0.85199 0.258.54 1.288.60.728.6 12.50.960.8 10.49.60.350.8（4.31.25） 3.123.1299 28.610128.6（4.236.17）0.8 0.8615.70.8614.7 2.4102147.322.68 2.648.677.3611.33 2.311.20.5（2.50.25）0.4 9.161.50.59.16 3.63.60.54.51.8 4.23.5 9300.65 63.4
14、2.50.4 4.91.4 3.9（1.35） （7.71.54）0.7 2.52.4 2.745 0.351.2520.8 32.40.90.132.4 150.257028 15（0.150.4） 4.252.59.90.173.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.57.325-3.29-3.325 7.325-(5.325+1.7) 7.325-(5.325-1.7)3.29+0.73-2.29+2.27 3.290.254 0.1258.8 0.250.28 0.1253.22.5 3540.2 0.2540.254 3.59.9 3.5
15、99+3.5 3.5101-3.5 3.59.9+3.50.1 3.52.7+350.733.52.7-3.50.7 (32+5.6)0.8 3.50.6-0.50.64.93.5 70.254 70.125 7.35(7.350.25) 7.35(7.350.25) 3.070.381.62 1.293.72.716.3 82.451.553.251.790.591.75 23.40.813.47.2 0.324033.20.364.81.64 1.233.40.236.6 0.253612.7（3.70.84） 36.541.764.54 0.250.7347.60.80.27.6 0.8
16、5199 0.258.54 1.288.60.728.6 12.50.960.8 10.49.60.350.8（4.31.25） 3.123.1299 28.610128.6（4.236.17）0.8 0.8615.70.8614.7 2.4102147.322.68 2.648.677.3611.33 2.311.20.5（2.50.25）0.4 9.161.50.59.16 3.63.60.54.51.8 4.23.5 9300.65 63.42.50.4 4.91.4 3.9（1.35） （7.71.54）0.7 2.52.4 2.745 0.351.2520.8 32.40.90.13
17、2.4 150.257028 15（0.150.4） 4.252.59.90.17138435738 498397 502399 63455513712556 30299302 1458914521 二、用简便方法计算。1、36826491351 2、 891011113、24127476573 4、4002731275、327（96127） 6、72987、442103142 8、9999999、6752 10、25（784）11、72125 12、9000125813、40025 14、253615、10327 16、7610217、3600254 18、993519、 （2512）4 2
18、0、5627274421、569956 22、125258423、2532125 24、12564 （1） （7861）39 （2）7008218 （3）348163242410537（4）125474725 （5）201316 （6）37420522695 （7）3000999 （8）997721 （9）8747087053（10） （555555555）125 （11）125（840）25 (12）994999 （13）264974264 （14）454999999545（15）9999366666332 （16）124386512476110767（17）624445518 （18）34
19、00623438203814（19）199219911991-199119901990 38425 125278 4835235458+251+749 196-26-74 8400254536-249-136 813+569-213 48+5234632+4668 9499+94 101482-4821629+1648+1623 6753-674315（9+10+8） （6+8）25第三单元 简便计算56125 4825 992810159 10243 14424 320- 198小测题三（加减法或乘除法运算的简便运算）136-48-36 417-138-62 246-178+78437-（137+59） 252-（63-48） 357+（132-57）30001258 1080（93） 1000（204）24（368） 239+153+47-239
