人教版四年级数学下册运算定律练习题173Word文件下载.docx
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(4+8)
635-36-64314-12-214
47×
66+34×
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10
345+49+25162+625+18
1000÷
125÷
825×
78×
40
67+60+33+40170+440+360+330
32×
12599×
71+71
398-31-12-57713-413-29-71
201×
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2015×
202
6+7+8+…+23+24+25
165×
95-65×
9549+9×
49
7+9+11+…+21+23+25
22-21+20-19+…+6-5+4-3
15+32+24+68+85
(81+44)+46=81+(____+____)
360+(640+23)=(360+____)+____
____+64=64+19
759-85-15=759〇(85+____)
77×
11=11×
30×
2×
6=30×
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5×
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20)=(____×
561×
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(61+95)×
68+27+7381+49+19
81×
50×
250×
(2+4)
240-79-21390+65-290
21×
15+85×
218900÷
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2
709+30+67090+467+10
3000÷
1004×
19×
250
48+64+52+36120+400+500+780
96×
51+51
301-25-10-65911-711-31-69
103×
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506
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175×
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54
29-28+27-26+…+13-12+11-10
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(91+39)+31=91+(____+____)
140+(860+25)=(140+____)+____
____+67=67+20
347-61-39=347〇(61+____)
98×
27=27×
60×
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425+15+18539+427+11
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594-20-25-55833-133-46-54
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1080×
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273-88-12=273〇(88+____)
23=23×
9×
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545×
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53+59+47+41200+450+550+800
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301
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380+(520+58)=(380+____)+____
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708-61-39=708〇(61+____)
68×
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587-55-45264+10-164
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67+77+33+23290+400+400+710
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223-28-10-62816-316-50-50
406×
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3212×
106
8+9+10+…+25+26+27
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4693+99×
93
5+7+9+…+19+21+23
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310+(290+40)=(310+____)+____
____+54=54+11
886-14-86=886〇(14+____)
56×
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9=40×
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564×
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25
957+69+93121+302+29
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302
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(26+30)+70=26+(____+____)
320+(280+97)=(320+____)+____
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868-58-42=868〇(58+____)
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