北师大版四年级数学下册小数加减法专项练习题85Word格式.docx
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四、计算。
7.76－1.4＋8.219.95－（3.14＋0.68）3.78＋8.97＋2.54
4.52＝4＋0.5＋0.02
14.22＝____＋____＋____
10.02＝____＋____
9.691＝____＋____＋____＋____
1.4－1＝1.4＋7.9＝1.4＋2.43＝
78.6－41.0＝12.4＋45.5＝75.85－32.0＝
3.28.55.542.3
＋9.3－1.4＋3.13＋6.85
697.556.536.8
－7.99＋73.57－0.87－0.7
29.139.4486.8
－6.78＋3＋0.04＋8.7
7.98＋4.37＋2.088.16－（3.45＋1.39）5.34＋8.94－2.9
5.73＝5＋0.7＋0.03
3.75＝____＋____＋____
13.06＝____＋____
5.743＝____＋____＋____＋____
3.1－2.5＝5.2＋2.6＝3.3＋3.33＝
99.9－20.2＝40.4＋41.1＝66.69－52.3＝
2.36.29.411.7
＋3.8－4.1＋3.73＋2.15
635.497.417.1
＋6.47＋51.52－0.26－0.3
74.887.7661.1
＋3.04＋1－2.09＋6.8
9.28＋4.72＋0.438.15－（4.17＋0.45）9.2＋5.46－1.14
5.96＝5＋0.9＋0.06
14.65＝____＋____＋____
3.06＝____＋____
12.975＝____＋____＋____＋____
9.7－1.1＝2.9＋1.7＝3＋4.04＝
65.8－25.4＝23.4＋25.2＝89.86－30.3＝
6.97.36.941.7
＋6.7－1.6＋5.59＋5.85
735.626.469.4
＋8.64＋63.32－1.18－4.2
23.156.2393.9
－6.75－1－3.54＋7.9
6.66＋3.22＋5.027.23－（3.62＋1.45）2.39＋6.6－3.21
9.86＝9＋0.8＋0.06
1.94＝____＋____＋____
5.02＝____＋____
5.168＝____＋____＋____＋____
4.3－1.4＝8.1＋1.6＝4＋3.22＝
85.8－45.2＝12.3＋42.2＝96.59－23.1＝
3.65.46.747.1
＋2.9－1.1＋3.27－5.75
864.696.067.9
＋4.75＋97.99－0.77＋3.5
91.238.0793.2
＋9.59＋2＋1.44＋4.8
9.13－1.07＋9.467.27－（4.01＋1.22）8.1＋7.63－2.02
1.97＝1＋0.9＋0.07
2.83＝____＋____＋____
10.03＝____＋____
12.154＝____＋____＋____＋____
7.5－1.4＝2.5＋5.4＝2.2＋4.22＝
57.5－20.0＝31.0＋40.5＝76.65－40.2＝
7.67.35.919.2
＋8.2－0.9＋7.78＋4.87
757.456.487.2
＋6.47＋59.33－3.05－1.2
97.688.4865.3
－5.26－1＋5.55＋8.3
8.74－3.86＋6.158.17－（3.26－0.37）4.52＋7.38＋1.25
3.92＝3＋0.9＋0.02
6.68＝____＋____＋____
4.08＝____＋____
9.729＝____＋____＋____＋____
3.4－3.3＝2.9＋5.4＝2.1＋2.42＝
98.6－13.2＝51.1＋21.1＝59.65－43.1＝
3.47.35.975.4
＋2.3－3.6＋8.96＋9.76
881.477.088.3
＋9.87＋19.05－2.74＋3.7
91.738.6566.5
－3.92＋3－2.35＋8.5
9.34＋4.14＋1.038.79－（3.74－1.97）3.1＋5.13－0.84
4.64＝4＋0.6＋0.04
7.51＝____＋____＋____
6.09＝____＋____
10.717＝____＋____＋____＋____
2－1.5＝7.8＋2.1＝2＋3.34＝
87.8－15.0＝32.4＋24.3＝59.89－20.1＝
5.77.84.314.8
＋6.5－1.7＋4.51＋6.19
982.857.036.1
－4.08＋33.13－3.96－3.8
30.917.6461.1
－3.68－2－2.33＋9.4
5.74＋3.13＋0.717.11－（3.02＋0.81）3.35＋8.76＋1.43
9.71＝9＋0.7＋0.01
13.51＝____＋____＋____
8.03＝____＋____
2.888＝____＋____＋____＋____
3.9－2.8＝7.6＋1.4＝3.2＋2.13＝
88.7－35.1＝32.2＋40.1＝58.88－21.4＝
2.76.68.539.8
＋8.7－2.3＋4.42－9.33
927.239.187.5
＋1.27＋46.25－4.31－3.9
35.947.5268.5
＋1.31＋4＋0.92＋4.3
7.68－2.68＋7.749.81－（4.83＋1.44）3.17＋7.14＋2.8
9.91＝9＋0.9＋0.01
8.61＝____＋____＋____
8.08＝____＋____
10.837＝____＋____＋____＋____
1.8－1＝4.5＋1.1＝1.3＋3.43＝
67.7－10.4＝54.1＋24.0＝78.87－15.3＝
6.58.57.434.8
＋3.5－2.7＋9.65＋4.64
918.779.138.4
－2.13＋78.39－4.61＋1.5
86.269.6164.2
－6.05－3－5.84＋8.9
5.09－2.22＋5.479.44－（4.62－0.94）5.44＋5.48＋4
6.46＝6＋0.4＋0.06
10.87＝____＋____＋____
4.01＝____＋____
11.261＝____＋____＋____＋____
7.8－2.3＝3＋1.2＝3.4＋2.1＝
56.9－10.3＝53.4＋13.5＝89.75－14.3＝
5.39.34.926.3
＋1.9－2.7＋1.85＋1.87
531.239.916.3
＋3.13＋22.99－4.19＋1.8
86.169.3489.2
－4.79－3－5.59＋9.1
8.26－3.62＋5.758.45－（3.3＋1.72）1.23＋7.82－5.65
6.84＝6＋0.8＋0.04
3.58＝____＋____＋____
6.02＝____＋____
11.647＝____＋____＋____＋____
1.2－1.1＝6.3＋1.5＝4.4＋4.44＝
78.5－40.1＝51.2＋14.0＝58.56－40.1＝
8.59.28.138.4
＋1.8－3.7＋7.24＋8.52
689.499.285.6
＋2.45＋71.58－3.77＋0.1
17.946.7781.3
＋4.36＋4－1.06＋7.8
6.48＋2.15＋5.098.1－（3.04－1.9）7＋9.45－3.15
3.79＝3＋0.7＋0.09
3.55＝____＋____＋____
3.04＝____＋____
9.976＝____＋____＋____＋____
3.4－1.6＝5.2＋1.9＝4＋2.24＝
75.7－44.2＝50.1＋12.4＝95.85－22.4＝
3.16.32.712.9
＋1.8－0.4＋6.92－6.88
556.037.458.5
－3.43＋17.97－4.11＋3.9
85.658.3981.9
－5.88－2－5.78＋9.9
7.3－4.58＋5.089.54－（4.02－0.84）6.78＋5.45＋5.66
5.29＝5＋0.2＋0.09
12.23＝____＋____＋____
8.05＝____＋____
10.852＝____＋____＋____＋____
2.2－1.2＝6.3＋2.8＝2.4＋3.14＝
65.9－41.4＝21.3＋24.1＝96.95－25.1＝
8.66.39.368.9
＋3.5－0.2＋5.32－3.35
946.468.528.8
－3.84＋64.59－2.35－3.8
20.945.5779.6
－6.92－2＋1.74＋1.4
6.39＋3.94＋3.19.81－（3.97＋0.29）4.82＋5.72＋1.24
2.75＝2＋0.7＋0.05
8.28＝____＋____＋____
10.06＝____＋____
6.947＝____＋____＋____＋____
7.9－4.6＝5.7＋1＝1.3＋4.22＝
86.8－52.4＝40.2＋42.0＝88.59－15.4＝
1.68.66.936.9
＋3.7－0.8＋5.89＋9.33
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