1、四年級下冊計算題庫（一）小數(shù)的加法和減法 1. 小數(shù)數(shù)位相同的加減法（豎式計算） 27.38+4.83= 26.75+2.83= 3.64-2.58= 6.52-3.44= 15.31+13.51= 5.5+4.5= 3.27-2.49= 11.65-7.39= 19.01-7.99= 7.51+0.49= 5.48-3.25= 4.8+18.9= 10.3+58.7= 8.03-4.56= 9.03-8.57= 8.25+1.55= 9.43-9.05= 1.75+2.08= 4.28-3.37= 4.13+2.24= 4.17+2.53= 5.07-0.98= 5.67-0.73= 13.

2、18+5.27= 5.16+7.89= 2. 小數(shù)數(shù)位不同的加減法（豎式計算） 26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97= 10.2-8.75= 7.3-2.25= 3.8+3.54= 3.05-2.9= 3.1-2.07= 12.7+6.58= 7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78= 5.67-0.845= 0.506-0.19= 11.04-7.3= 1.4-0.405= 62.1-17.07= 1.4-0.405= 3.906+0.66= 43.5-27.34= 15.9

3、8-3.9= 75.6-3.55= 5.94+10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25= 10.1-0.55= 3. 整數(shù)與小數(shù)的加減法（豎式計算） 10+10.1= 27+8.03= 26+7.98= 13.99+1= 7.88+2 = 28-3.56= 10-0.81= 10-0.36= 20-0.92= 8-7.089= 95-9.85= 20-9.42= 35.09-11= 96.85-85= 45.45-45= 10-0.41= 45-0.45= 3.57+3= 4. 小數(shù)加減混合運算（遞等式計算） 5.03-2.5+0.96 22.8-5.2

4、3-9.125 23.66+4.34-3.56 5.6-0.81-1.29 15.9+3.26+4.17 67.2+41.5-71.39 10.75+0.4-9.473 16.23+8.92-7.56 50-28.5-13.45 13.79-9.653+170.57 1.5+0.68-0.306 72.8-8.6+5.84 20.8-（15.98-3.9） 32.5+（5.07+6.13） 3.52-（4.66-3.82） 5. 小數(shù)加減簡便運算（遞等式計算） 0.9+1.08+0.92+0.1 5.26+3.43+0.74 5.6+2.7+4.4 20.15+7.62+7.85 51.27-

5、8.66-1.34 48.14-2.43-7.57 18.76-3.47-0.53 5.17-1.8-3.2 70.8-1.25-1.75 4.02-3.5+0.98 4.25-0.83+0.75 23.04-0.8-13.4-6.2 15.13+4.92-5.13 3.98-1.5+6.02 4.8+1.2-4.8+1.2 30.99-（8.5+15.99） 72.6-（22.6+3.45） 36.06-（5+6.06） 27×0.43= 1.7×45= 1.2×1.04= 0.37×4= 86×1.2= 2.4×0.15= 21&

6、#215;2.4= 4.32×8= 0.8×25= 2.58×3= 5.8×0.6= 3.6×0.4= 2.6×3.7= 1.56×0.18= 1.03×5.03= 0.208×2= 1.11×1.1= 0.36×1.3= 2.5×6.5= 0.3×2.6= 0.98×45= 3.2×2.5= 5.2×2.9= 0.68×8.1=3.5×3= 0.72×5= 2.05×4= 12.4×7

7、= 2.3×12= 6.7×0.3= 2.4×6.2= 0.56×0.04= 6.7×0.3= 0.56×0.04= 3.7×4.6= 0.29×0.07= 6.5×8.4= 56×1.3= 3.2×2.5= 2.6×1.08= 0.87×7= 3.5×16= 12.5×42= 1.8×23= 0.37×0.4= 1.06×25= 7×8.06= 0.6×0.39= 1.7×0.45=

8、1.2×1.4= 0.37×8.4= 0.86×1.2= 2.34×0.15= 21×2.84= 4.32×8= 6.8×25= 2.58×3= 58×1.6= 36×2.4= 2.56×3.7= 1.56×0.08= 1.03×5.3= 0.208×2.5= 1.12×1.1= 0.326×1.3= 6.5×6.5= 3.3×2.6= 0.98×5.5= 2.1×2.15= 5.2×2

9、.9= 0.48×8.1= 26.4×0.063= 0.15×0.65=5.93 +0.19+2.81 3.070.381.62 7.32.77.32.7 1.27+3.9+0.73+16.1 48.42.7851.60.78 23.40.813.47.2 139.46 ( 58.74+ 19.46 )4.8+8.63+5.2+0.37 2.35+1.713+0.287+7.65 7.54.96.5 36.541.764.54 3.251.790.591.75 12.7（3.70.84） 25.6(0.235.6)1.77 0.4566.223.78 15.89(

10、6.755.89) 4.025.40.98 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 73.81.6413.85.3647.87.45+8.8 0.398+0.36+3.64 15.75+3.590.59+14.25 66.868.661.34 36.83.96.1 324.90.9 25.48(9.40.52) 15.02 - 6.8 -1.02 9.43 -（6.28 -1.57） 4.8+8.63+5.2+0.37 5.93+0.

11、19+2.81 1.76+0.195+3.242.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.553.251.790.591.75 23.40.813.47.2 3.20.364.81.64 1.233.40.236.6 12.7（3.70.84） 36.541.764.54 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.242.35+

12、1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.55面各題怎樣算簡便就怎樣算。 （1）小數(shù)加減法計算 6.94.83.1 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

13、.6 7.140.532.47 5.272.860.661.63 13.354.682.65 73.81.6413.85.36 47.87.45+8.8 0.398+0.36+3.64 15.75+3.590.59+14.25 66.868.661.34 36.83.96.1 324.90.9 25.48(9.40.52) 3.94.16.15.9 15.02-6.8-1.02 324.90.9 146.5(2346.5) 9.43-（6.28-1.57） 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+7.6

14、5 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 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.55 3.251.790.591.75 23.40.813.47.2 3.20.364.81.64 1.233.40.236.6 12.7（3.70.84） 36.541.764.54 147.322.68 2.648.677.3611.33 （2）小數(shù)乘法計算 0.25×16.2×4 (1.250.125)×8 3.6×102 3

15、20÷1.25÷8 3.72×3.56.28×3.5 1 4.8×7.878×0.52 0.8×100.1 5.6×13.115.615.6×2.1 4.2÷3.5 7.09×10.80.8×7.09 18.76×9.918.76 3.52÷2.5÷0.4 56.5×9.956.5 515.6×13.115.615.6×2.1 4.8×7.878×0.52 4.2÷3.5 4.8

16、5;100.1 56.5×9.956.5 7.09×10.80.8×7.09 18.76×9.918.76 3.52÷2.5÷0.4 320÷1.25÷8 9.6÷0.8÷0.4 4.2×994.2 15.2÷0.25÷4 0.89×100.1 17.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32 3.65×10.1 3.83×4.563.83×5.44 9.7

17、×999.7 3.14×0.6831.4×0.032 27.5×3.77.5×3.7 8.54÷2.5÷0.4 0.65×101 3.2×0.25×12.5 (45.932.7)÷8÷0.125 5.6÷1.25÷0.8÷2.5÷0.4 4.36×12.5×8 7.2×0.22.4×1.4 8.9×1.01 7.74×（2.81.3）1.5×2.26 3.9×

18、;2.73.9×7.3 181.8÷0.125÷0.8 12.7×9.91.27 21×（9.33.7）5.6 5.4×11-5.4 4.5÷1.8 4.2÷3.5 63.4÷2.5÷0.4 4.9÷1.4 3.9÷（1.3×5） 930÷0.6÷5 7.71.54）÷0.7 2.5×2.4 2.7÷45 15÷（0.15×0.4） 0.35×1.25×2×0.8 32.4×0.90.1×32.4