北师大版四年级数学下册小数加减法专项练习题45Word格式文档下载.docx

1、四、计算。8.461.677.07 9.71（3.750.37） 8.65.793.26 6.1660.10.06 13.37_ 11.03_ 9.341_ 1.31 6.21.6 5.33.13 57.722.2 14.124.0 66.6845.2 3.7 8.3 3.1 49.9 7.3 0.4 9.32 1.69 76 3.23 6.67 9.5 8.98 96.54 3.19 1.8 97.74 5.93 9 6.4 9.43 3 4.44 3.28.721.919.93 9.35（4.721.76） 6.517.665.94 6.8560.80.05 4.35_ 6.08_ 5.7

2、14_ 3.82.9 4.71.8 4.44.11 98.655.0 33.024.1 89.6820.2 5.1 8.4 9.1 93.7 2.5 4.2 8.25 9.13 73 4.78 5.78 7.9 4.73 56.34 4.94 4.5 28.03 8.27 8 8.2 9.58 1 3.81 6.16.142.656.77 7.37（3.721.68） 8.468.95.08 5.5150.50.01 9.11_ 9.09_ 3.939_ 1.41.1 2.23.3 5.13.24 67.731.3 12.242.2 57.6650.3 8.6 9.4 4.5 89.6 3.3

3、 0.4 5.63 4.37 92 9.23 6.28 6.1 3.23 20.43 0.72 3.7 57.52 8.21 9 4.7 9.27 2 5.44 1.89.433.267.61 8.85（3.721.03） 2.755.535.61 3.6130.60.01 11.26_ 13.03_ 12.685_ 2.11 24.3 1.34.43 99.523.1 30.440.2 77.8942.0 7.9 6.9 4.4 50.5 3.3 0.8 9.19 4.36 99 6.62 5.27 6.6 5.31 75.87 4.23 4.1 40.29 8.07 6 9.4 6.48

4、2 3.41 7.26.484.143.63 9.83（3.681.67） 7.839.512.11 1.2510.20.05 3.96_ 10.06_ 8.394_ 32.2 6.21.1 3.32.44 89.750.4 10.231.1 85.7945.3 8.9 5.3 9.6 17.6 8.2 2.6 6.97 4.34 78 7.09 7.96 7.4 9.97 50.63 3.78 0.1 44.43 6.43 7 7.5 3.68 3 4.87 3.85.511.891.9 9.68（4.841.01） 4.228.082.37 9.8790.80.07 4.48_ 10.01

5、_ 15.332_ 1.71.6 7.22.3 4.34.42 99.522.0 24.444.5 58.7732.2 3.5 7.7 6.2 47.6 9.4 0.2 5.96 9.25 62 7.98 9.79 6.2 6.53 98.16 0.81 2.2 67.54 5.13 9 3.6 5.81 4 5.08 8.55.91.576.52 7.93（3.231.01） 2.166.215.19 1.4410.40.04 11.98_ 7.03_ 11.147_ 6.24.4 7.61.2 3.12.14 69.523.2 33.223.5 57.7523.1 7.9 8.9 5.7

6、85.5 3.6 0.5 3.62 5.84 77 3.83 9.82 6.4 5.27 68.28 0.08 2.8 31.44 9.82 7 4.3 9.35 4 5.17 1.48.871.955.09 8.7（4.710.89） 5.419.990.99 5.4450.40.04 11.66_ 9.03_ 1.214_ 84.9 11.2 4.31.23 85.611.3 54.230.3 67.5913.4 7.7 6.3 7.9 20.7 1.2 2.5 1.95 5.27 79 1.74 7.85 9.2 3.23 27.66 1.65 3.9 47.86 7.17 6 6.6

7、8.79 4 2.17 8.39.734.953.39 9.25（3.931.79） 3.076.163.98 3.8730.80.07 2.33_ 12.09_ 9.385_ 9.86.5 5.52.7 1.32.1 59.920.4 40.021.5 85.7932.2 8.2 9.8 7.9 94.3 3.2 1.2 5.44 7.13 64 3.01 8.16 5.5 4.77 47.17 2.13 2.7 67.77 9.17 7 4.1 3.22 3 1.83 1.76.452.291.06 8.64（3.491.96） 8.289.181.77 8.9780.90.07 7.58

8、_ 9.08_ 13.783_ 8.55.8 2.16.4 1.21 58.910.3 30.120.5 89.6631.2 2.4 7.2 2.2 55.2 9.6 3.4 8.96 1.14 87 3.47 8.34 8.8 3.32 96.79 3.37 1.1 60.77 9.79 8 7.9 6.62 1 3.46 7.19.923.865.17 9.45（3.951.2） 3.935.052.42 8.5480.50.04 8.25_ 3.09_ 8.831_ 7.47 72 23.11 65.935.4 13.440.2 55.9921.0 7.2 8.1 5.6 79.2 4.

9、1 0.2 7.78 4.54 64 8.94 5.99 7.9 7.51 39.39 0.09 0.1 23.55 9.68 7 1.3 5.87 1 5.25 5.99.222.520.55 7.92（3.080.12） 2.447.430.32 7.7870.70.08 8.63_ 12.08_ 9.854_ 6.33.7 4.14.4 4.33.23 87.513.1 50.013.1 69.5632.0 4.5 8.8 6.9 90.2 2.2 1.7 1.72 2.19 65 5.73 8.75 8.7 6.06 94.02 1.53 1.3 15.47 8.53 7 3.7 6.

10、44 3 0.18 6.39.51.063.9 8.99（4.790.81） 6.195.814.87 3.5530.50.05 5.51_ 14.273_ 4.91.5 4.91.4 4.34.33 87.634.2 21.323.3 77.6925.0 2.1 9.3 8.3 89.1 9.2 0.4 4.52 7.24 65 3.83 9.76 5.2 7.09 52.68 0.03 0.5 78.48 7.84 7 5.4 1.59 2 1.41 6.19.354.698.49 7.41（4.250.88） 5.837.343.11 4.5840.50.08 5.54_ 1.07_ 11.626_ 3.51.2 3.75.5 5.41.3 56.640.3 24.332.2 67.5953.2 4.7 7.3 2.3 52.7 9.5 1.7 8.49 5.56