四年级数学下册运算定律练习题精选40Word格式.docx
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50+50×
358500÷
25÷
4
450+78+52239+409+21
7000÷
100÷
10200×
86×
5
41+56+59+44200+300+700+700
72×
125999×
51+51
485-30-18-52992-692-49-51
504×
1225×
5618×
305
9+10+11+…+26+27+28
105×
13-5×
1311+999×
11
2+4+6+…+16+18+20
40-39+38-37+…+24-23+22-21
15+54+37+46+85
(11+24)+46=11+(____+____)
280+(420+98)=(280+____)+____
____+73=73+32
317-36-64=317〇(36+____)
64×
12=12×
2×
2=20×
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4×
(25×
26)=(____×
909×
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47+44+2633+58+27
36×
5050×
(2+4)
892-82-18239-62-139
23×
29+71×
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20÷
823+66+83472+851+18
3000÷
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82×
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96×
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73+73
777-33-26-41811-111-53-47
502×
1125×
2014×
301
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97
5+7+9+…+19+21+23
36-35+34-33+…+20-19+18-17
23+55+13+45+77
(51+40)+60=51+(____+____)
180+(720+75)=(180+____)+____
____+79=79+15
801-16-84=801〇(16+____)
70×
13=13×
40×
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551-58-42874-69-174
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824+66+53483+348+17
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46×
250
32+61+68+39120+380+520+480
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65+65
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305×
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503
5+6+7+…+22+23+24
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9+11+13+…+23+25+27
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48+47-16+53+52
(16+11)+69=16+(____+____)
200+(400+18)=(200+____)+____
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541-57-43=541〇(57+____)
46=46×
90×
8×
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163×
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93×
4×
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26×
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83+61+17+39290+460+440+510
32×
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301×
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101
107×
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692-39-61=692〇(39+____)
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6×
3=10×
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139×
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66×
2525×
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56×
87+13×
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10
230+49+65120+214+30
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22×
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88+88
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101×
1325×
5615×
206
1+2+3+…+18+19+20
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74
8+10+12+…+22+24+26
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32+55+38+45+68
(45+19)+51=45+(____+____)
240+(660+36)=(240+____)+____
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844-54-46=844〇(54+____)
74×
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7×
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24×
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68×
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43×
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303×
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402
145×
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69×
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60×
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3+5+7+…+17+19+21
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141-20-80=141〇(20+____)
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600×
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30×
2020×
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38×
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41×
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48×
55+55
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503×
1625×
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6+7+8+…+23+24+25
1036×
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16
29-28