北师大版四年级数学下册小数加减法专项练习题55Word格式.docx
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四、计算。
9.78＋3.09＋5.149.79－（4.59＋0.79）7.82＋7.1－1.28
7.98＝7＋0.9＋0.08
15.16＝____＋____＋____
7.03＝____＋____
11.447＝____＋____＋____＋____
4.8－3.1＝6.4＋1.1＝1＋1.43＝
89.8－14.2＝21.0＋12.3＝95.66－30.1＝
1.76.16.345.7
＋8.5－4.8＋7.13－7.42
568.439.856.6
－7.87＋74.05－3.87－2.5
78.326.6265.8
＋1.63＋2＋1.49＋8.2
6.8＋1.48＋7.098.04－（4.3－1.02）5.21＋5.92－1.48
9.26＝9＋0.2＋0.06
12.68＝____＋____＋____
6.08＝____＋____
15.455＝____＋____＋____＋____
7.7－4.1＝3.8＋1.3＝2.4＋2.42＝
56.8－30.4＝51.3＋31.3＝66.55－10.2＝
2.35.12.452.2
＋5.7－1.4＋6.91＋4.58
527.866.985.3
＋0.44＋54.56－4.83＋4.3
53.056.6197.5
＋2.61＋4－0.89＋5.6
8.76＋3.35＋8.988.23－（3.08－1.62）9.97＋6.73－1.68
5.22＝5＋0.2＋0.02
5.65＝____＋____＋____
14.04＝____＋____
6.291＝____＋____＋____＋____
8.2－2.4＝5＋4.5＝5.4＋2.01＝
86.9－30.2＝30.2＋25.5＝58.87－22.1＝
1.39.28.218.1
＋3.7－2.2＋7.17＋4.23
893.755.869.9
＋2.24＋92.84－4.99＋1.4
27.417.2488.9
＋2.95＋3＋4.17＋7.4
6.41－3.21＋9.127.47－（3.18－0.86）4.01＋9.21＋2.22
6.51＝6＋0.5＋0.01
13.42＝____＋____＋____
13.09＝____＋____
5.146＝____＋____＋____＋____
1.2－1＝5.4＋3.1＝3.3＋4.14＝
76.8－33.1＝11.3＋41.5＝58.68－25.2＝
6.69.98.264.4
＋5.5－3.5＋7.54－8.96
964.238.076.8
＋5.07＋17.67－3.55－0.8
45.248.8762.2
－6.08＋2－3.26＋5.5
6.51－1.72＋3.168.43－（3.2＋0.5）3.67＋6.94＋5.81
1.49＝1＋0.4＋0.09
14.47＝____＋____＋____
15.02＝____＋____
11.111＝____＋____＋____＋____
5.4－3.7＝3.2＋1＝5.3＋2.41＝
98.9－55.0＝20.3＋45.1＝87.85－12.1＝
3.28.79.360.9
＋3.3－2.3＋2.45＋8.83
682.619.697.8
＋8.34＋53.28－4.19－1.8
42.286.5982.4
＋1.39－1＋5.68＋9.9
6.58＋3＋8.338.24－（4.72＋0.85）5.61＋5.31－3.27
9.42＝9＋0.4＋0.02
1.88＝____＋____＋____
2.884＝____＋____＋____＋____
6.4－6.1＝6＋2.6＝4.4＋1.04＝
58.7－40.2＝14.0＋45.1＝66.76－21.4＝
5.97.66.596.7
＋5.9－3.1＋1.91＋3.81
652.485.747.2
＋0.84＋67.85－3.74＋3.3
33.448.9278.9
＋6.09＋1＋3.94＋3.5
8.49＋1.28＋1.528.13－（3.24＋0.71）5.16＋8.78＋5.7
8.83＝8＋0.8＋0.03
15.92＝____＋____＋____
7.01＝____＋____
15.255＝____＋____＋____＋____
8－1.5＝2.4＋6.3＝1.3＋4.22＝
57.8－21.2＝34.4＋45.1＝78.69－15.0＝
4.95.85.389.3
＋6.5－3.4＋5.73＋2.72
968.469.276.6
－7.82＋68.37－1.22＋4.7
41.439.0183.6
－4.24－3－3.06＋3.4
5.41－1.75＋6.058.19－（4.75＋0.91）3.28＋8.32＋1.76
5.53＝5＋0.5＋0.03
15.21＝____＋____＋____
15.06＝____＋____
1.235＝____＋____＋____＋____
5.8－5.7＝5.4＋2.7＝5.2＋4.01＝
76.9－43.2＝30.2＋24.4＝97.59－33.4＝
3.65.44.232.8
＋5.2－0.7＋4.17＋9.68
665.418.575.7
＋2.83＋92.92－2.36－3.7
85.766.4976.8
＋9.23－2＋2.78＋2.3
9.92＋2.91＋3.297.15－（3.29－1.23）6.86＋7.39＋1.95
7.26＝7＋0.2＋0.06
2.14＝____＋____＋____
7.05＝____＋____
13.795＝____＋____＋____＋____
9.8－9.2＝5.8＋1.7＝5.2＋2.11＝
55.6－15.3＝20.2＋20.2＝77.85－53.0＝
4.58.22.154.2
＋4.5－1.5＋4.13－5.67
784.459.417.3
＋2.72＋93.96－0.86＋3.4
31.846.3783.8
＋6.76＋3－2.46＋9.7
6.52＋1.68＋0.729.43－（3.2－1.03）5.01＋9.94－4.32
5.13＝5＋0.1＋0.03
13.28＝____＋____＋____
1.755＝____＋____＋____＋____
8－2＝3.5＋2.8＝4.3＋4.21＝
96.6－31.4＝23.0＋20.2＝85.98－23.0＝
1.58.47.718.2
＋4.7－1.6＋7.79－3.62
882.267.547.9
－6.64＋21.24－1.44＋1.7
53.526.1884.4
－7.22＋1＋2.06＋2.1
5.88＋4.72＋4.939.93－（3.1－1.99）6＋7.66－5.64
6.82＝6＋0.8＋0.02
12.85＝____＋____＋____
5.01＝____＋____
1.994＝____＋____＋____＋____
5.3－1.6＝7.5＋1.4＝5.4＋4.04＝
59.5－54.2＝10.1＋34.4＝97.67－41.1＝
3.89.68.853.7
＋7.3－3.3＋1.95－3.73
675.145.446.6
－7.84＋21.92－2.75－1.2
87.618.2483.1
－9.15－2＋2.15＋7.8
8.96＋2.31＋9.277.83－（4.74＋1.61）8.41＋7.32－4.06
9.59＝9＋0.5＋0.09
1.92＝____＋____＋____
11.08＝____＋____
14.967＝____＋____＋____＋____
6－3.2＝6.9＋1.8＝1＋1.24＝
99.6－40.1＝10.1＋23.1＝65.78－11.3＝
6.89.11.875.5
＋1.1－0.3＋3.66－8.48
535.436.079.5
＋2.77＋94.05－4.45－1.4
18.447.8878.2
＋2.44＋4－3.35＋1.8
5.92＋3.65＋7.529.67－（4.51－1.12）6.58＋6.9－3.67
7.46＝7＋0.4＋0.06
6.69＝____＋____＋____
15.07＝____＋____
5.533＝____＋____＋____＋____
8－1.8＝2.5＋3＝5.2＋3.3＝
97.8－53.2＝40.2＋30.4＝85.65－44.2＝
7.55.43.548.9
＋2.9－1.3＋2.41－4.45
675.538.416.3
－0.77＋93.29－0.26＋3.7
23.615.0593.5
＋5.67＋4－4.35＋4.3
8.83＋1.45＋9.468.11－（4.29＋1）2.43＋9.79＋2.07
9.32＝9＋0.3＋0.02
15.97＝____＋____＋____
1.03＝____＋____
12.699＝____＋____＋____＋____
3.5－1.1＝1.4＋6.3＝4.3＋3.01＝
86.6－53.2＝52.3＋42.5＝66.99－22.1＝
6.76.75.426.9
＋7.3－3.2＋3.97＋9.24
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