五年級數(shù)學上冊小數(shù)遞等式計算

1、400420540042051012320101232070(10070(100105)105)0.250.253.23.2437.837.8－16.416.4－13.613.61.81.8＋0.20.2－1.81.8＋0.20.293930.310.3132.52.57.52.57.52.52.52.5636310.110.163.93.91.251.2535.7235.720.0470.0470.320.320.1380.1386.

2、46.40.120.1210.250.25（（1.281.283.23.2）4.874.872.3448.72.3448.70.2660.2664.44.425256.256.250.250.250.60.668.0468.04（（0.210.213.63.6）0.4860.486＋0.010.013.993.9919.7519.75－6.456.45－3.553.552.022.02（（1.0271.0270.260.26）2.52.

3、51.251.250.320.322.372.376.32.376.32.373.73.70.650.65101101－0.650.65(802080)4(802080)42.642.6450.20.23.83.810.110.181.250.69.381.250.69.3153.64.83153.64.8398.422.5?83.798.422.5?83.77000.342.97000.342.91.251.25111140.80.8

4、9090252543636（（97.2897.280.320.32）(3.20.8)(3.20.8)0.80.83.250.841.163.250.841.16（6.86.8－5.45.4））2.752.75－0.90.90.250.252727445453636＋646445451.251.2532032025250.960.9625259.99.9999999＋9.99.91.081.08125125825251.251.25161

5、6489489101101－48948933331.031.0328284545＋303013135.65.69＋56560.980.9854548252512525161645.5545.55（6.826.82＋15155555）3.23.29999＋324.84.83939＋61614.84.834.5234.52－17.8717.87－12.2312.232.52.5564.5564.56565489489101101－48948

6、94.573.173.435.834.573.173.435.83（8585＋4040）（）（2020－5）2.52.51.251.250.320.320.25390.250.25390.250.125720.12572460.33540.33460.33540.339.5999.599(85.27)(85.27)1.251.256.816.81996.816.81992.5(3.80.04)2.5(3.80.04)7.691017.6

7、9101（31.83.231.83.24））5(1.250.25)4(1.250.25)44.60.354.60.654.60.354.60.6523.40.813.47.223.40.813.47.26310.1630.16310.1630.14.2994.24.2994.23535（（0.350.352）3.143.141.931.41.931.40.810.813.21013.21017.310.21.467.310.21.460

8、.921.010.921.014.90.84.90.84.90.84.90.812.9612.96（9.61.529.61.52）3.63.63.61.43.61.43.63.60.250.80.1250.40.250.80.1250.42.71.52.72.71.52.70.40.412.5(4.21.7)12.5(4.21.7)21.521.5[（6.072.536.072.53）0.5]0.5]56.59956.556.59956

9、.5(1.25(1.250.125)80.125)8450.090.5450.090.517.8(1.784)17.8(1.784)1.251.252.52.50.40.488578578－4054054545161630.830.8[14(9.85[14(9.85＋1.07)]1.07)][60[60－(9.5(9.5＋28.9)]28.9)]0.180.186.816.81996.816.81990.682.50.321.90.68

10、2.50.321.922.52.52.52.525.85.8（（3.870.133.870.13）（69.72869.7283.23.2））2.52.50.80.8〔〔15.5(3.215.79)15.5(3.215.79)7.67.6＋997.6997.616.53.716.53.7－6.53.76.53.72525－24.5(3.224.5(3.2＋1.7)1.7)18.097.518.097.5（（0.140.14＋1.061.0

11、6）0.580.58－0.650.650.40.40.910.910.70.7＋0.1680.1680.80.80.110.111.81.8＋8.28.20.110.110.80.8(3.2(3.2－2.992.992.3)2.3)5.45.4(3.94(3.94＋0.86)0.86)0.80.8(8.1(8.1－5.4)5.4)3.63.6＋85.785.717.6417.644.96.734.96.733.43.4［（［（1.21.

12、2＋0.50.5））5］1.91.9＋19.9199.919.9199.9＋0.30.30.250.2512.512.53.23.2（38.612.75）2.50.325.7325.736.525.736.525.733.53.525254.44.47.77.70.160.167.77.712.512.510.6410.64(3.7(3.7－2.9)2.9)4.84.89999＋4.84.847.347.3＋2121(3.9(3.9－0

13、.87)0.87)5[(68.4132.17)[(68.4132.17)0.4]0.4]4.054.051.51.50.030.031.921.920.120.12－2.72.74.64.6＋32.5532.559.39.30.840.84(0.3(0.3＋0.4)0.4)0.840.841.71.70.070.073.93.91.31.3520.910.520.910.5（（5.25.2－3.53.5）15.415.4[8[8（（6.