北师大版四年级数学下册小数加减法专项练习题79Word文件下载.docx

1、三、竖式。 8.7 6.1 6.8 51.2 8.3 0.1 9.92 9.34 95 3.16 6.51 9.2 2.62 66.77 4.38 0.7 45.16 8.39 6 4.7 8.66 4 4.36 2.9四、计算。9.114.280.86 7.45（4.281.92） 8.997.952.61 7.6470.60.04 3.13_ 2.06_ 15.976_ 4.52.1 4.61.8 3.44.3 87.730.0 34.213.0 57.6951.0 7.4 8.6 1.4 39.7 8.3 2.9 9.14 6.22 73 8.53 8.14 6.7 8.08 44.96

2、 1.48 1.6 66.34 5.51 7 4.4 7.89 2 5.61 5.68.154.063.58 8.48（4.971.37） 2.949.740.73 5.5850.50.08 11.45_ 6.06_ 2.462_ 4.81 53 3.33.23 58.652.2 10.132.0 78.7615.2 2.3 7.1 2.2 55.2 9.9 0.8 9.39 1.76 98 8.89 8.78 5.3 9.42 69.76 4.11 3.6 82.64 8.87 8 9.4 6.55 3 5.14 5.47.82.994.2 9.28（3.920.24） 4.029.712.

3、33 9.2990.20.09 12.68_ 1.04_ 4.771_ 4.43.1 4.45.1 3.33.31 65.631.1 31.043.1 89.7513.4 5.5 6.7 9.6 92.6 5.1 4.1 9.36 4.92 83 4.09 8.14 7.9 3.32 39.76 4.47 0.9 99.65 7.38 9 4.3 5.49 4 4.29 5.25.381.520.71 9.12（3.851.12） 9.226.981.58 2.5920.50.09 11.95_ 12.06_ 8.772_ 6.53.4 7.61.2 3.32.24 87.921.1 34.0

4、15.1 79.5833.4 3.8 7.8 9.2 64.3 9.9 3.3 9.59 7.99 99 7.88 8.47 8.7 3.82 77.55 2.81 4.4 50.98 5.99 6 8.1 7.77 3 4.58 1.79.623.84.96 8.84（3.990.98） 1.58.663.91 7.7170.70.01 6.19_ 2.01_ 6.723_ 4.12.1 6.12.5 31.12 66.630.4 43.342.1 56.9715.1 2.7 9.9 1.5 17.3 1.2 4.7 1.14 1.77 76 9.98 9.15 9.6 9.01 94.21

5、 3.72 3.6 85.99 7.63 6 3.2 7.06 4 4.65 4.15.474.342.83 8.21（3.651.93） 8.377.090.85 2.1420.10.04 4.12_ 13.02_ 11.716_ 8.37.7 1.25.1 4.33.31 86.524.1 51.444.4 69.8722.1 7.7 6.9 1.3 92.3 5.5 2.2 8.27 1.57 76 4.78 8.45 6.2 9.71 33.88 2.08 1.7 30.95 7.29 9 9.8 7.87 2 1.31 6.69.131.883.56 8.97（4.791.61） 4.529.285.51 8.8880.80.08 14.81_ 6.03_ 9.828_