苏教版四年级数学下册运算定律专项练习题92Word格式文档下载.docx
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苏教版四年级数学下册运算定律专项练习题92Word格式文档下载.docx
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2597×
10×
5
41+33+67779+501
16+90+84+110905+450
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1+3+5+7+9+11+13+15+17+19
45×
825×
15×
624×
702
17×
22+83×
2239×
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10
三、下面各题,怎样算简便就怎样算。
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71×
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13
47×
21+479×
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2541×
14×
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40+64+20+136704+957
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3×
35×
45×
37×
820×
404
80+75×
8092×
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29
674-184-16167-14-86
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89=____〇×
93
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25201×
21
60×
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2×
25
47+48+52370+101
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5+6+7+8+9+10+11+12+13+14
9×
25×
41×
423×
303
89×
105+11×
10598×
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62×
99=____〇×
62
22+12+58=22〇(____〇____)
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13)=(5×
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10+80×
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20×
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44×
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37
170+230×
43(36+2)×
2521×
12×
125
19+79+21633+903
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11+12+13+14+15148+106+152
6+8+10+12+14+16+18+20+22+24
2125×
613×
302
75+65×
7556×
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28
760-111-189291-73-27
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56=____〇×
77
15+37+23=15〇(____〇____)
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26×
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26+14×
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25102×
34×
116+384×
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2574×
4×
11+14+86353+602
40+68+50+132504+447
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8+10+12+14+16+18+20+22+24+26
425×
226×
903
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9321×
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23
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30+32+58=30〇(____〇____)
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84×
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20=____〇(____〇____)
54×
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112+80340×
29×
130+370×
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2553×
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75+76+77+78+7910+115+390
8+9+10+11+12+13+14+15+16+17
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224×
902
113+80×
11396×
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12
883-63-337240-67-33
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68
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22×
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61=____〇(____〇____)
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36
45+455×
25(36+6)×
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18×
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101
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500-188-212144-41-59
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22=____〇×
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109×
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104
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27
891-158-342104-43-57
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