北师大版四年级数学下册小数加减法专项练习题31Word文件下载.docx
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四、计算。
6.63＋1.63＋7.819.44－（3.79＋0.61）6.84＋7.57－4.37
2.73＝2＋0.7＋0.03
15.35＝____＋____＋____
13.09＝____＋____
13.387＝____＋____＋____＋____
9.2－2.9＝6.2＋1.6＝2＋4.41＝
85.7－20.0＝50.0＋35.1＝88.65－32.0＝
5.29.57.184.6
＋4.7－3.5＋3.26－3.21
819.057.797.8
－2.59＋29.27－2.25＋0.5
22.035.8783.3
－8.75＋3－3.39＋3.1
5.96＋4.82＋1.739.73－（3.94－0.99）1.4＋9.53＋0.51
1.57＝1＋0.5＋0.07
1.24＝____＋____＋____
12.02＝____＋____
5.731＝____＋____＋____＋____
5.7－1＝6.1＋3＝5.1＋4.44＝
89.7－25.4＝20.4＋24.3＝96.89－10.1＝
1.39.83.213.3
＋1.5－3.4＋4.43－2.59
519.666.925.5
－6.51＋71.44－4.69＋0.6
51.559.3993.2
＋7.21－3－1.21＋6.7
8.48－4.54＋9.637.9－（4.56－1.56）2.72＋9.93＋0.66
3.18＝3＋0.1＋0.08
11.47＝____＋____＋____
14.01＝____＋____
14.983＝____＋____＋____＋____
9.6－2.1＝2.1＋2.9＝4.1＋4.3＝
66.9－21.1＝13.3＋31.1＝85.57－52.1＝
2.89.64.522.1
＋1.1－0.4＋2.81－8.35
961.737.029.6
＋5.24＋77.65－2.91＋1.5
95.525.7265.5
－6.24－4＋2.16＋4.3
8.21－4.22＋3.729.98－（4.43＋0.41）4.14＋9.76－2.52
8.96＝8＋0.9＋0.06
11.78＝____＋____＋____
6.08＝____＋____
4.726＝____＋____＋____＋____
4.2－1.2＝8.4＋1.1＝1.2＋1.13＝
57.5－53.1＝20.1＋42.2＝87.89－44.0＝
1.77.87.422.8
＋4.4－2.3＋6.89＋6.24
599.145.666.1
＋1.11＋26.24－4.03－1.5
83.158.2484.7
＋6.45－3＋3.69＋6.7
8.5－4.67＋0.729.92－（4.9－0.11）4.15＋7.42＋4.12
7.38＝7＋0.3＋0.08
4.69＝____＋____＋____
14.07＝____＋____
3.433＝____＋____＋____＋____
5.7－2.4＝1.9＋7.6＝3.4＋3.21＝
55.7－12.0＝43.1＋32.2＝59.58－33.1＝
4.97.32.949.6
＋9.5－2.3＋2.55＋9.45
923.956.249.9
－9.91＋10.56－1.25－3.9
57.596.7672.7
＋7.61＋3－2.94＋3.6
6.88－3.06＋4.628.8－（3.09－1.09）5.05＋9.71＋0.46
2.25＝2＋0.2＋0.05
10.36＝____＋____＋____
2.06＝____＋____
5.115＝____＋____＋____＋____
8.9－1＝6.9＋1.6＝5.3＋4.11＝
77.7－45.1＝54.4＋13.4＝55.88－15.4＝
8.85.75.391.1
＋9.8－1.3＋5.39＋4.23
932.416.695.6
＋7.92＋99.72－0.24＋0.3
57.539.6872.6
＋1.37＋4＋2.07＋2.3
9.16－4.05＋7.217.71－（4.68－0.59）3.15＋7.4＋2.55
7.48＝7＋0.4＋0.08
3.71＝____＋____＋____
8.04＝____＋____
14.729＝____＋____＋____＋____
8.5－8＝8.2＋1.2＝2.2＋3.22＝
77.8－53.3＝51.3＋11.2＝59.86－53.0＝
1.85.96.882.2
＋5.3－1.7＋9.39＋6.72
619.558.687.5
－4.31＋74.31－1.91－4.2
64.987.9271.4
＋1.91－3－5.09＋1.6
5.27－4.39＋3.468.93－（4.94＋0.44）4.78＋6.57＋5
9.87＝9＋0.8＋0.07
12.23＝____＋____＋____
12.06＝____＋____
3.417＝____＋____＋____＋____
6.8－3.2＝1.7＋2.3＝2.2＋2.2＝
59.6－30.4＝51.3＋34.3＝95.59－22.4＝
1.15.51.142.6
＋3.2－0.3＋5.86－9.55
561.988.385.5
＋0.69＋64.79－3.36－4.7
19.998.1466.7
－5.97＋2－4.92＋7.8
5.45－2.58＋0.647.29－（3.86＋0.75）2.76＋8.11＋0.63
9.19＝9＋0.1＋0.09
6.17＝____＋____＋____
12.07＝____＋____
4.193＝____＋____＋____＋____
9.8－9.4＝4.8＋1.9＝2.3＋4.22＝
87.9－41.1＝41.4＋43.5＝69.66－55.3＝
2.95.73.277.4
＋4.1－4.8＋1.67－1.23
568.437.757.8
＋2.25＋94.59－2.96－3.6
31.149.5579.8
－9.65＋3－1.84＋8.3
7.47＋1.35＋7.858.1－（3.46－1.86）4.77＋7.05＋3.05
6.43＝6＋0.4＋0.03
8.59＝____＋____＋____
13.03＝____＋____
4.282＝____＋____＋____＋____
4.7－3.8＝3.9＋5.6＝2.4＋4.1＝
65.7－41.0＝30.0＋34.5＝85.79－33.4＝
8.49.62.261.2
＋4.5－0.7＋8.96＋1.28
872.615.955.2
－3.13＋46.99－0.77－1.8
10.496.0783.5
＋9.64＋1－1.72＋1.9
8.52－1.77＋0.219.45－（4.49＋0.47）9.82＋7.65－0.49
4.85＝4＋0.8＋0.05
7.35＝____＋____＋____
12.03＝____＋____
8.618＝____＋____＋____＋____
7.8－2.9＝6.7＋1.8＝2＋3.14＝
88.5－43.2＝41.1＋20.4＝98.56－54.4＝
4.76.44.969.3
＋4.7－3.1＋4.63＋7.96
634.569.579.6
＋0.74＋35.32－4.16－4.2
26.435.6971.5
＋2.28＋3－0.14＋2.7
6.63＋2.02＋8.078.55－（4.25＋1.96）5.04＋8.64－4.66
2.16＝2＋0.1＋0.06
13.39＝____＋____＋____
10.02＝____＋____
9.183＝____＋____＋____＋____
9.8－7.5＝3.9＋1.4＝1.3＋4.44＝
96.5－12.3＝33.0＋14.4＝57.99－24.1＝
3.86.29.217.8
＋5.4－2.6＋2.68－8.53
569.418.099.9
＋3.15＋65.66－0.66＋0.2
34.649.5664.5
－6.09＋3－1.75＋3.5
9.67＋3.93＋6.957.36－（3.45＋0.21）4.3＋6.11－0.29
1.42＝1＋0.4＋0.02
8.38＝____＋____＋____
1.05＝____＋____
6.363＝____＋____＋____＋____
8.5－1.8＝4.7＋4.1＝4.2＋3.03＝
55.9－21.4＝31.2＋44.5＝76.67－11.1＝
6.25.23.735.7
＋3.8－1.1＋6.73＋3.68
945.975.658.6
－7.94＋18.16－0.52－3.2
76.626.4687.9
－7.64－1－1.32＋5.2
8.28－4.58＋5.18.49－（4.38＋1.25）2.18＋9.53－4.43
9.93＝9＋0.9＋0.03
8.95＝____＋____＋____
2.715＝____＋____＋____＋____
2.5－2.4＝2.6＋6.1＝3＋1.1＝
85.5－10.0＝51.2＋43.4＝55.76－50.1＝
3.97.14.976.1
＋3.9－0.2＋4.17＋3.17
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