北師大版四年級(jí)數(shù)學(xué)下冊(cè)小數(shù)加減法習(xí)題專項(xiàng)140

1、一、照樣子，填一填。1.53=1 + 0.5+0.033.82 =+5.02 =+10.845 =+、口算。1.71.5 =55.8-22.1 =6.1 + 1.3=1.2+2.1 =14.1 + 21.1=77.88-43.0 =三、豎式。8.7 2.77.6 1.13.8 5.9494.9 8.8462 6.925.57 61.678.26 4.599.2 0.527.71 3.388.05 37 0.586.8 6.3四、計(jì)算5.94 1.64 9.158.44 (3.13 1.7)1.64 6.44 4.52一、照樣子，填一填。4.36 = 4+0.3+0.067.336.06 9.8

2、97 = 二、口算。9.5 9.3 =6.6 + 3.4 =4.2+4.03 =95.9 44.2 =31.0+25.0=77.69-44.4 =三、豎式。6.76.95.928.5 3.8 0.8 6.69 2.58561.967.376.4 0.46 94.01 0.42 1.720.027.7281.6 5.614 5.54 7.6四、計(jì)算15.14 = 14.01 = 2.912 = 二、口算。4.2 3.7 =96.8 50.3 =三、豎式。9.9 5.14.3+1.4 =44.4+ 14.0 =2.1 + 3.11 =66.68-52.2 =45.4 9.775.2 0.63.3

3、6.7761 7.782.74 45.438.56 0.616.2 1.386.09 6.145.6417 1.615.2 3.9四、計(jì)算5.54 2.67 5.917.9 (3.41 0.68)4.93 8.87 5.1一、照樣子，填一填。6.92 = 6+0.9+0.02_14.55 = 4.09 = 8.815 = 二、口算。3.2 2.3 =96.5-11.2=三、豎式。1.5 6.31.1 +5.3 =30.2+ 13.0 =2+1.2 =57.583-51.2 =12.1 2.666.8 2.66.9 5.4354 3.523.09 80.975.54 2.417.5 0.155.

4、12 8.899.4248 1.968.1 4.5四、計(jì)算7.1 2.44 9.68.07 (3.04 0.61)5.68 7.19 0.1一、照樣子，填一填。7.36 = 7+0.3+0.068.16 =+3.09 =+14.418 =+二、口算。1.51.4=7.8 + 2.1 =5+3.2 =88.8 32.0=10.2+ 15.5=86.5511.4=9.5 3.29.7 2.17.4 6.9426.6 9.75838.129.078.4 7.62 43.02 2.63 3.366.555.4569.1 1.264 4.17 5.1、豎式O四、計(jì)算9.76 1.48 8.918.87

5、(4.42 0.35)7.67 9.61 5.98、口算。3.31.7 =56.5 44.4 =三、豎式。4.41.25.5+1.7 =53.2+21.4 =2.1 + 2.23 =77.881-21.4 =75.7 6.895.2 4.41.3 5.9461 6.621.22 96.227.71 4.086.9 0.934.23 9.096.01 19 0.188.7 2.4四、計(jì)算6.79 4.62 0.328.5 (4.5 0.52)5.81 7.7 4.65一、照樣子，填一填。3.17 = 3+0.1 + 0.07_15.18 = 9.07 =8.159 = 二、口算。6.9 4.5

6、=99.7 20.1 =三、豎式。5.8 7.22.2 + 7.3 =22.1 + 33.0 =1.2+3.23 =69.78-30.2 =86.1 1.946.3 1.37.7 4.76953.836.027.9 2.93 24.242.77 0.640.575.6179.1 9.1433.26 7.6四、計(jì)算9.82 1.19 9.58.77 (4.53 0.72)4.14 7.83 3.28二、口算。7-2.2 =6.9+ 1.4 =5.2+4.43 =58.7 25.0 =33.4+21.4=87.69三、豎式。8.79.25.4 4.6 4.4 3.21995.456.25 0.65

7、 23.44 3.4473.929.427 5.312 4.72一、照樣子，填一填。8.36 = 8+0.3+0.0615.65 =+11.06 =+6.842 =+32.3 =57.54.715.33.23.28.5四、計(jì)算9.62 3.91 9.479.27 (3.24 0.49)8.4 7.65 5.98一、照樣子，填一填。1.58=1 + 0.5+0.0814.67 =+5.08 =+11.687=+二、口算。3 2.7=8.7+ 1.2=2.3+4.32 =55.5 51.3=20.2+33.5=78.89 41.1 =7.57.35.61.17.415.73.12 7.23654.

8、987.398.69.86 74.79 4.88 1.676.988.6385.85.153 3.73 2.2四、計(jì)算9.86 2.84 6.759.56 (3.66 1.69)9.53 7.25 5.07一、照樣子，填一填。9.27 = 9+0.2+0.075.35 4.54 4.18.13 (4.06 0.62)6.98 7.47 3.9313.97=+14.09=+11.759 = 二、口算。3-1 =96.6 32.3 =3.2+2.2=5.3+2.23 =23.4+33.0=98.57三、豎式。9.2 9.19.8 2.55.4 7.3455 2.017.98 20.785.472.

9、7296.95 3.495.29182.1440.0 =97.62.165.70.78.94.5四、計(jì)算一、照樣子，填一填。4.37 = 4+0.3+0.07_15.25 = 7.08 =2.343 = 二、口算。6.4 4 =77.5-11.0=三、豎式。4.5 4.14.9+4.2 =51.19.2 3.33.3+3.22 =-44.3 =11.3 3.7315.5 =8.8 2.2388.99783.128.539.6 5.09 48.451.33 2.935.598.0494.8 3.3121.56 4.6四、計(jì)算9.494.53 1.098.77 (3.51 1.91)5.26 6.

10、47 0.11一、照樣子，填一填,1.72=1 + 0.7+0.0215.24 = 11.07 = 9.574 = 二、口算。5.9 2.1 =97.6 50.3 =三、豎式。4.3 3.95.7 + 3.8 =33.4+31.2 =3.1 + 2.43 =56.99-21.0 =14.2 8.355.1 1.68.5 7.3458 1.819.54 81.215.66 2.416.9 3.869.44 5.845.67 18 0.796.6 5.6四、計(jì)算8.78 3.77 7.697.13 (4.34 0.31)8.11 5.11 0.26一、照樣子，填一填。6.68 = 6+0.6+0.

11、0815.24 = 13.06 = 2.717 =、口算。6.1 -4.5 =8.4+1.5 =1 + 2.04 =57.8-24.0 =41.1 + 40.5 =96.65-22.4 =三、豎式。8.46.15.453.6 9.3 3.7 9.38 1.25888.299.997.4 8.97 90.134.31 1.930.888.4574.5 4.0315.95 8.9四、計(jì)算9.88 2.22 9.858.36 (4.66 0.13)9.05 6.13 5.13一、照樣子，填一填。2.38 = 2+0.3+0.086.13 =+5.04 =+12.767 =+、口算。4.41.3 =3

12、.2 + 4.9 =2+3.04 =56.7-40.4 =54.3+43.5 =99.76-51.4 =6.27 1.74 8.418.4 (3.46 1.39)7.84 5.58 4.66三、豎式。2.82.66.66.217.91.9 2.78 7.34771.728.537.20.17 24.39 2.85 2.384.425.0589.58.831 3.65 3.9四、計(jì)算一、照樣子，填一填。3.56 = 3+0.5+0.063.75 =+8.02 =+12.562 =+、口算2.51.9 =78.9 43.3 =三、豎式。3.1 8.77.1+2 =33.1 29.3 1.55.3+

13、2.23 =54=68.86-13.1 =2.3 2.6494.8 6.8889 2.769.37 42.716.59 1.567.9 3.131.99 4.996.0926 3.588.7 3.2四、計(jì)算5.97 4.74 7.029.9 (3.43 0.84)3.31 6.26 4.21一、照樣子，填一填C1.19=1 + 0.1 + 0.094.96 = 11.02 = 7.535 = 二、口算。4.6 2.1 =87.8 32.0 =三、豎式。7.8 3.48.7+1=2.2+4.04 =-55.0 =44.3 8.5111.3+23.2 =56.788.5 2.39.3 6.5996

14、 6.719.85 15.595.331.735.5 3.489.32 3.515.18 180.926.3 5.3四、計(jì)算5.09 3.96 1.199.96 (4.34 0.39)6.19 6.91 4.51一、照樣子，填一填。3.11 = 3+0.1 + 0.019.36 2.14 0.37.78 (3.06 1.04)9.1 7.61 1.61.41 = _ 4.09 = _10.828 =_ _ 二、口算。5.3 2.6 =87.7 40.1=1.8+1.7 =13.2+31.3 =2.2+1.34 =86.59三、豎式。5.3 9.49.52.61.8 4.9571 0.076.6

15、8 47.039.84 1.1782.42 3.818.9246 5.8652.3 =52.45.226.41.23.16.7四、計(jì)算一、照樣子，填一填。5.68 = 5+0.6+0.083.499.08 6.758 = 二、口算。6.5 5.6 =59.5 41.2 =三、豎式。5.5 3.38.2+1 =53.1 49.7 1.21.3+2.42 =-35.0 =76.6 8.6514.5 =5.6 8.7868.85746.568.937.5 8.95 73.523.11 0.442.735.9297.2 2.2132.72 5.4四、計(jì)算7.24 4.74 3.478.65 (3.17 0.9)3.19 7.96 0.64一、照樣子，填一填。4.84 = 4+0.8+0.048.94 =+9.03 =+2.199 =+二、口算。7 2.8=3+1.8=3+3.4 =98.6 20.2=20.2+ 15.3=56.68 34.1 =5.5 7.36.3 3.45.1 6.8330.7 4.12919.797.965.3 0.56 63.51 1.72 3.818.618.5174.1 6.772 3.96 5.9、豎式O四、計(jì)算一、照樣子，填一填。5.6