小学四年级数学下册简便计算大全 328Word文件下载.docx
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125101×
21-21
45×
20124×
74-74×
4
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9985×
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98
4×
29×
2524×
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8000÷
98-98
54000÷
8102×
66-66×
2
64×
5×
223×
96-96×
3
92×
25092×
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72×
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87-87
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16-16×
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11
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65-65
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29923×
54+23×
46
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67-67×
79×
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17-17×
31×
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973
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35-35×
6
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33-33×
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66×
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27
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82-82
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38-38×
7
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61-61
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816×
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31
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67-67
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61×
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71
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945
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65
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15-15
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91-91×
44×
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63-63×
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998
56×
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