四年級小數(shù)加減法口算練習(xí)600題之歐陽音創(chuàng)編

－

歐陽音創(chuàng)編歐陽音創(chuàng)編6.8

2021.03.112021.03.118.96－5.11.1＝

＝7.5＝

2.4043.782＋5.63＝

＝8.6－＝時(shí)間：2021.0

創(chuàng)作

6.5

7.9－

4.4＋3.11：歐

＝

3.666

＝陽音4.7＋＝4.7－＝3.6＋＝1.7＋＝6.6＝

1.8＝8.7＝8.11－5.2＝9.61－7.7＝7.56－2.6＝9.906＋8.73＝歐陽音創(chuàng)編歐陽音創(chuàng)編

8.459－8.11＝4.89－3.03＝3.99＋9.58＝5.51＋9.41＝6.36＋5.28＝4.74＋7.79＝2021.03.112021.03.11

7.2－＝7.8－＝7.1－＝1.5－1.09＝3＝1.7＋4.68＝

5.2＝9.4＋＝5.52－2.8＝2.21＋5.6＝7.43＋7.3＝4.6＝3.99－3.06＝7.85＋7.5017.538＋9.51＝

歐陽音創(chuàng)編歐陽音創(chuàng)編3.94－1.54＝5.23＋4.8458.76－3.69＝9.8－＝5.44＋8.38＝9.49＋6.44＝2.5＋＝6.3－＝9.7＋＝歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.112.2＝9.4＝6.3＝8.7＝2.9＝9.4＝4.5＝4.28－4.21＝5.26＝2021.03.112021.03.11

1.27＝9.65＝2.208＋4.46.339－1.48＝5.331＋7.91＝6.49＋4.97＝5.68＋3.2161.28＝9.34－1.49＝

5.29－5.09＝7.92＋9.92＝5.86＋5.69＝5.7－＝9.3－＝2.5＋＝9.8－＝6.3－＝9.5＝

歐陽音創(chuàng)編歐陽音創(chuàng)編4.7＝4.7＝6.54＝5.6＝3.36－1.77＝5.67－5.6＝4.49－1.6＝9.75－8.01＝2.06＋8.46＝歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.114.16＋2.7645.52＝5.81＋5.09＝6.09－4.1648.21＋9.22＝7.53＋4.83＝6.91－6.16＝5.6－4.2417.05－5.0752021.03.112021.03.11

3.12＋2.09＝8.44－1.71＝8.74＋4.89＝9.52－7.99＝3.59＋8.35＝5.9＋＝7.65－6.87＝7.84－2.06＝9.14＋5.26＝

歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.117.77＋8.82＋5.41－2.86－5.55＝2.34＋

4.56＝1.26＝6＝7.83

－

1.29＝9.85－1.06＝8.94－1.07＝1.28＋3.47＝9.21－5.67＝4.83－4.2＝4.73＋7.51＝4.88－1.05＝7.31＋2.79＝

5.86－5.36＝9.61－2.16＝6.24－3.37＝1.62＋1.47＝5.32＋6.17＝5.29－4.85＝7.84＋6.77＝歐陽音創(chuàng)編歐陽音創(chuàng)編

1.39＝8.4＝9.49＋6.44＝8.56＋4.49＝6.43＋5.24＝5.27－4.59＝8.49＋2.82＝4.87＋3.45＝2021.03.112021.03.11

8.21＝4.04＋9.53＝6.62＋6.33＝6.48－3.47＝2.59＋5.78＝7.03－4.75＝9.21－3.91＝3.3＋1.27＝

歐陽音創(chuàng)編歐陽音創(chuàng)編7.15＋7.8

2021.03.112021.03.114.38－7.69.04＝5.15＋2.01＝

＝3.24－1.11＝

1.86＝4.84＋4.74＝

＝3.5－1.92＝7.218.84＝6.216.49＝1.716.08＝1.583.17＝5.083.23＝3.096.49＝9.775.61＝

＋＋＋＋－＋－

5.09－1.97＝5.31－4.98＝1.73＋1.05＝7.26－6.61＝7.59＋6.17＝2.83－1.68＝7.45＋9.39＝

7.05－5.05＝8.56＋7.46＝9.59－4.84＝7.69－1.51＝3.87＋1.71＝8.16－2.68＝7＝

8.51－4.14＝5.78－5.29＝3.24＋2.87＝2.23＋9.08＝5.43＋4.23＝6.43＋9.07＝8.8＋5.09＝歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.11

7.14－5.75＝3.04＋2.85＝5.19＋2.48＝1.37＋7.28＝4.83－4.8＝3.2＋＝3.2＝6.26－5.05＝9.19＋

歐陽音創(chuàng)編歐陽音創(chuàng)編9.67－2.33＝5.58－2.7＝7.44＋4.54＝3.7＝2＝6.92＋9.91＝7.51－4.62＝6.26－4.08＝9.51＋1.1＝

2021.03.112021.03.118.33＝5.2＝8.62－5.99＝7.62＋1.62＝3.41－1.44＝7.05－4.55＝1.69＝9.33－2.82＝6.62－6.06＝

4.83－3.18＝3.19＋9.83＝9.05＋1.64＝8.49＝3.51＋8.93＝3.93－3.84＝2.22＋8.52＝4.72＋5.45＝7.67－5.86＝5.04＝歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.11

2.35＋3.75＝7.66－7.51＝9.16＋2.69＝9.89－1.99＝8.84＋5.49＝6.66－3.44＝9.06－8.17＝7.12＋4.9＝6.05－2.98＝

歐陽音創(chuàng)編歐陽音創(chuàng)編3.75－2.23＝1.18＋5.14＝8.18－3.4＝5.86－4.4＝6.11＋9.29＝7.47－5.41＝9.37＋8.58＝7.67－1.86＝9.23－1.09＝歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.116.84＋9.93＝5.2＝7.52－5.55＝2.94－2.92＝7.3＝9.56＋9.64＝4.08＋5.74＝7.95－4.03＝2.7＝2021.03.112021.03.11

4.33－4.19＝9.52－8.23＝9.19－1.11＝8.99＝6.04＋4.37＝6.56＋2.89＝2.18＋1.87＝4.4＋＝7.12＋1.45＝

歐陽音創(chuàng)編歐陽音創(chuàng)編8.01－4.1

2021.03.112021.03.119.67＋9.024.57＝9.61＋9.53＝

＝8.95－5.13＝

2.36＝4.27－2.56＝

＝4.47＋7.17＝4.842.32＝1.771.12＝8.486.21＝6.843.98＝9.063.25＝9.052.84＝5.153.76＝

＋－－－－－＋

9.79－1.37＝7.17＋7.96＝5.47＋3.9＝5.55－2.29＝5.83－1.34＝8.1＝2.74－2.57＝

9.24＝9.95－3.13＝5.26＋7.49＝7.81－6.27＝9.42＋4.85＝9.41－6.31＝4.7＝

9.12－3.42＝8.34－3.36＝7.08－3.64＝2.46＋5.84＝5.2＋7.63＝5.5＋1.31＝5.2－1.85＝歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.11

歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.115.34＋2.45－7.43＋5.83－7.14＝6.21＋5.3＝

2.06＝5.82＋5.86＝

6.53＝9.75－3.13＝

1.75＝9.77＋3.54＝7.526.45＝9.981.25＝6.477.42＝9.292.32＝4.829.73＝8.824.47＝7.784.46＝

－－＋－＋＋＋

2.34＋6.49＝6.42＋6.72＝9.04－7.67＝1.93－1.57＝9.77－3.5＝9.21＝4.74＋2.41＝

4.98－1.46＝6.73－3.03＝4.75－4.01＝5.9＝8.5＝8.88＋7.64＝6.5＝

2.96＋6.16＝7.32＋1.42＝9.43－3.56＝7.68－3.16＝2.97＋2.11＝3.7＋3.83＝7.14－1.53＝歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.11

歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.112.44－6.85－4.67＝9.06

－1.13＝2.94＋3.54＝

4.39＝2.97＋1.46＝

7.13－6.62＝3.74－

6.21＝2.18＋2.76＝9.9＝6.43＋9.65＝7.86－7.16＝7.32＋1.04＝4.33－4.19＝9.31＋8.58＝3.16－1.03＝

5.21－4.29＝7.37＋2.83＝5.22－4.49＝6.84－6.08＝5.4＝3.89－2.93＝5.7－＝

3.15＝7.3＝6.83＝6.41－4.28＝5.61＝9.82－1.59＝8.96＝

2.578.11＝9.123.08＝1.079.79＝5.795.74＝3.016.96＝6.196.77＝3.073.75＝

＋－＋－＋＋＋歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.11

4.86＋1.48＝7.31－5.41＝3.74＋1.88＝3.71－1.69＝8.13－3.95＝6.77＋7.19＝1.31＋2.62＝3.91＋4.1＝7.31＋6.89＝

歐陽音創(chuàng)編歐陽音創(chuàng)編1.54＋5.12＝7.51＋7.09＝8.45－1.72＝7.69－1.05＝8.81－7.15＝3.11＋1.05＝7.71－1.05＝9.36－5.66＝5.35＋9.13＝歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.111.58＝6.79－1.03＝9.91－5.74＝5.42＋6.51＝4.96－3.34＝2.68＝2.54＋8.33＝6.76＋6.54＝5.66－4.49＝2021.03.112021.03.11

5.02＋7.65＝8.12＋6.19＝7.24－6.67＝3.69－2.47＝7.08＋5.22＝4.46＋9.93＝5.21－4.55＝3.96－3.65＝3.21＝

歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.117.57－6.81－1.16＋4.8－4.325.97＝2.62＋9.29＝

1.18＝7.65－5.26＝

4.74＝3.59＝

＝7.35－4.47＝8.279.29＝4.192.08＝4.319.35＝6.523.35＝4.531.82＝9.484.63＝9.876.15＝

＋－＋－＋－－

9.75－3.11＝6.12＋6.15＝6.82＋3.37＝5.81－1.47＝3.46－2.92＝6.66＋4.15＝4.74＋4.98＝

1.65＋6.46＝2.47＋4.25＝4.83＋4.01＝7.44＋6.69＝5.88－1.04＝3.72－2.49＝8.81－5.76＝

3.82－3.72＝7.02＋2.18＝5.04＋5.76＝4.57＋4.54＝8.2－7.56＝7.66＝9.1－8.01＝歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.11

7.19＋1.36＝9.58－4.16＝9.36＋2.17＝5.13－4.87＝7.17＋1.94＝7.11－1.84＝8.34－4.16＝6.6＝7.83＋8.64＝

歐陽音創(chuàng)編歐陽音創(chuàng)編9.37－5.7＝9.17－1.51＝8.81＋2.12＝2.68＋6.94＝7.46－2.52＝8.79＋7.12＝6.76＋4.79＝7.57－7.5＝2.98＋3.6＝歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.119.74＋6.63＝1.62＋6.86＝7.78－5.28＝7.04－3.52＝9.82－1.88＝7.4＝7.53＋3.08＝1.38－1.05＝5.41＋3.86＝2021.03.112021.03.11

9.31＋6.92＝1.27＋3.08＝4.45＝7.06＋9.46＝2.18－1.81＝2.46＋4.54＝7.22－4.99＝1.05＋2.71＝7.67＋8.89＝

歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.116.66＋4.52＋8.08

6.98＋1.64＝

9.67＝

＝

1.65＝6.94－

8.61＋

8.93＝9.71

－1.31＝4.91－1.29＝8.79＋6.82＝9.2＝9.37－7.88＝3.78＋6.38＝5.63＋6.43＝8.86＋6.97＝

5.81＝9.03＋3.42＝7.21－2.27＝8.91＋1.32＝3.81＋6.08＝7.4＝7.24－5.81＝8.44＋5.62＝歐陽音創(chuàng)編歐陽音創(chuàng)編

8.91＋4.11＝8.95－8.15＝7.43－4.43＝8.7＝6.76＋7.85＝1.1＝3.35＋6.08＝2021.03.112021.03.11

3.65＝7.31＋4.24＝2.67＋2.51＝9.81－9.26＝7.97＋4.76＝9.99＋8.35＝3.9＋3.49＝9.34－5.88＝

歐陽音創(chuàng)編歐陽音創(chuàng)編

2021.03.112021.03.117.77－5.91－5.77－8.7－5.212.19＝9.83＋6.01＝

5.13＝7.93－3.48＝

3.68＝7.19＋1.36＝

＝4.19－3.16＝9.55－8.31＝9.78－1.66＝8.3＝8.29＋5.72＝3.04＋9.93＝4.45－2.75＝1.75＋7.66＝

3.14－2.65＝5.56＋2.78＝7.51＋7.65＝3.35＋6.65＝8.52－8.47＝5.29－2.79＝5.98－4.53＝

3.54＝9.28＋5.82＝6.44＋9.02＝9.75－4.88＝2.2＝2.6