北师大版四年级数学下册小数加减法专项练习题48Word格式.docx

1、三、竖式。 7.7 7.8 3.3 34.5 9.3 4.3 9.58 3.27 77 5.44 8.98 7.7 1.76 34.11 4.08 0.2 76.72 6.19 8 1.6 4.32 4 2.05 6.5四、计算。5.214.732.2 7.38（4.760.6） 6.058.11.03 1.3810.30.08 2.94_ 6.07_ 10.925_ 1.71.4 1.34.3 1.32.23 79.635.0 11.315.5 67.7934.2 9.3 8.6 6.7 78.6 2.7 1.8 2.95 6.62 52 5.31 9.44 6.6 6.34 62.63 0

2、.72 4.5 19.25 7.42 6 4.3 8.31 4 0.07 3.65.34.817.38 7.8（3.281.23） 2.816.355.34 5.1850.10.08 15.72_ 9.08_ 11.643_ 4.63.2 1.47.5 2.44.01 85.942.1 53.230.0 75.9822.2 5.7 9.9 5.2 27.8 4.7 3.9 9.44 4.65 53 3.06 7.32 8.8 2.51 90.68 1.55 3.6 96.62 7.97 8 9.9 7.75 2 3.88 3.97.144.865.19 8.38（4.440.4） 9.968.

3、460.4 3.2530.20.05 11.42_ 11.04_ 4.944_ 4.34.2 1.67.5 23 57.530.1 14.330.4 85.6855.3 9.7 7.3 2.5 80.3 8.1 3.1 3.67 3.42 78 9.19 6.23 7.8 3.86 43.18 3.17 2.2 96.99 8.08 7 5.2 3.08 4 0.94 2.57.372.270.31 7.38（3.060.54） 8.396.010.47 1.5510.50.05 7.21_ 14.06_ 10.386_ 9.74.6 3.53 2.21.22 95.641.4 24.411.

4、3 76.6825.1 4.9 7.6 3.7 34.9 2.3 1.8 3.13 9.12 55 6.99 7.85 5.5 0.49 40.46 2.46 2.9 93.99 9.21 8 9.2 4.97 4 1.89 2.59.043.877.8 9.9（3.50.3） 5.757.62.9 6.9960.90.09 8.31_ 11.08_ 6.229_ 8.64.1 1.45.2 51.41 85.634.4 52.010.5 79.9752.3 5.4 8.5 8.8 28.2 7.1 0.2 6.61 7.95 89 4.91 9.75 5.5 0.23 79.31 2.47

5、2.6 58.44 7.98 9 3.5 9.92 1 4.32 3.26.424.714.89 9.02（4.291.71） 5.247.264.78 6.9860.90.08 15.96_ 2.02_ 4.241_ 2.72.5 1.57.6 2.14.21 67.913.2 33.030.2 97.9620.4 1.7 5.3 8.3 52.4 8.3 1.8 9.28 1.95 63 6.67 8.84 5.9 6.62 46.38 3.12 4.5 45.84 6.07 7 1.7 5.22 3 3.33 3.98.554.123.38 7.76（4.231.84） 9.996.882.59 1.4210.40.02 11.29_ 5.05_ 9.877_ 8.53