北师大版四年级数学下册小数加减法专项练习题15Word格式.docx

1、三、竖式。 2.3 9.3 5.6 92.2 6.7 0.6 2.58 4.85 92 9.67 8.46 9.3 5.74 53.86 1.91 4.7 69.37 7.43 9 4.7 8.85 1 3.93 4.1四、计算。6.443.95.71 9.75（3.181.2） 5.188.272.88 2.2420.20.04 14.56_ 6.07_ 3.346_ 5.41.7 3.15.4 14.03 56.753.0 31.441.5 58.7630.0 9.3 8.6 1.6 98.6 8.9 1.1 8.92 8.37 62 6.86 6.07 8.3 7.96 79.89 4.

2、24 1.7 82.58 6.94 8 8.9 2.52 4 1.33 3.36.063.293.9 8.15（3.380.26） 4.758.835.54 8.4580.40.05 9.39_ 11.05_ 2.246_ 1.31 1.77.9 2.41.32 97.710.0 42.411.4 99.8921.4 5.2 7.2 6.5 28.8 8.8 3.6 4.69 5.79 73 8.45 6.17 7.7 3.55 51.32 0.67 4.5 97.35 7.04 7 6.3 4.32 2 2.89 4.48.092.748.19 8.95（3.010.35） 7.526.68

3、3.93 3.9830.90.08 3.72_ 1.01_ 7.825_ 4.63.9 8.71.2 4.43.4 77.534.0 43.344.3 56.7621.0 2.9 6.7 3.6 11.2 6.2 0.2 7.57 1.59 91 5.47 7.05 7.6 3.97 86.53 0.46 1.2 79.28 6.76 9 3.2 8.65 3 2.04 6.17.44.125.66 7.16（4.751.07） 9.716.891.79 5.3550.30.05 10.56_ 8.02_ 10.363_ 2.52.1 3.15.4 3.11.24 65.622.3 31.22

4、5.4 79.7752.1 4.4 9.1 9.9 80.8 8.6 2.3 3.19 1.82 84 7.62 8.74 5.8 8.33 52.19 3.38 1.6 10.56 9.85 6 3.9 1.63 2 5.16 8.59.661.956.3 9.88（3.251.93） 1.436.593.1 6.2960.20.09 4.78_ 2.04_ 15.231_ 1.41.2 2.21.4 3.24.33 57.542.2 10.430.3 76.9855.1 2.8 6.5 3.2 79.8 1.4 3.2 1.79 2.21 74 5.33 9.97 5.5 2.05 21.

5、85 1.86 2.6 47.06 8.46 6 5.7 8.92 3 1.45 7.15.582.663.47 8.68（4.130.94） 7.085.051.35 2.6120.60.01 4.19_ 12.01_ 7.764_ 1.31 5.32.1 4.13.23 99.855.2 12.241.4 77.7654.4 3.8 8.5 7.6 55.7 9.2 3.6 1.97 7.74 87 5.48 6.55 6.4 9.64 33.56 4.15 4.7 38.67 8.37 6 5.2 6.65 1 5.56 2.59.542.545.02 7.17（3.890.66） 5.56.094.35 1.3310.30.03 15.43_ 12.02_ 11.823_