人教版四年级数学下册乘除法简便计算 651文档格式.docx
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24×
2566×
99+66
72×
1251001×
14-14
11×
301102×
32-32×
2
21×
19925×
71+25×
29
12539×
999+39
7900÷
67-67
41000÷
812×
89-89×
28×
2035×
44-44×
36×
2547×
97+47×
903
25057×
999+57
53-53
44×
302104×
12×
9928×
86+28×
914
12598×
999+98
4700÷
25101×
11-11
46000÷
813×
76-76×
200105×
69-69×
35×
25067×
18+67×
82
2599×
999+99
125101×
84-84
10225×
63-63×
14×
29986×
42+86×
58
95×
5029×
99+29
5800÷
73-73
7000÷
8105×
19-19×
85×
5×
20012×
26-26×
52×
25085×
93+85×
7
25031×
999+31
40×
32-32
22×
20134×
93-93×
23×
9973×
6+73×
994
31×
25099×
9000÷
251001×
31000÷
838×
17-17×
8
76×
229×
68-68×
9
88×
80+85×
920
32×
25016×
999+16
52-52
41×
30232×
79-79×
25×
19997×
13+97×
987
15×
12581×
999+81
1600÷
81-81
32000÷
832×
2034×
25066×
55+66×
45
2514×
99+14
56×
45-45
46×
201109×
37-37×
29935×
21+35×
79
73×
25071×
99+71
5900÷
21-21
65000÷
8109×
96-96×
78×
2024×
53-53×
2543×
13+43×
87
25079×
99+79
51-51
26×
30329×
13-13×
9997×
24+97×
76
5041×
99+41
8000÷
79-79
53000÷
49-49×
20105×
39-39×
25059×
19+59×
81
25064×
99+64
56-56
20214×
34-34×
19999×
53+99×
47
47×
5098×
99+98
5200÷
75-75
64000÷
837×
64-64×
14-14×
25036×
83+36×
917
2549×
999+49
64×
62-62
62-62×
9959×
84+59×
916
999+79
5700÷
27-27
8103×
16-16×
39×
20027×
51-51×
74×
2562×
26+62×
74
25053×
99+53
48-48
20112×
92-92×
9946×
55+46×
12545×
999+45
2800÷
92-92
55000÷
8104×
98×
234×
11-11×
71×
2545×
72+45×
28
25026×
99+26
30336×
57-57×
6
28+28×
972
9×
25072×
999+72
2300÷
16-16
824×
97-97×
223×
75-75×
25094×
10+94×
990
25012×
99+12
72-72
203102×
82-82×
29929×
29+29×
971
63×
25084×
999+84
57000÷
8107×
31-31×
55-55×
93×
2554×
2+54×
98
25095×
99+95
15-15
10224×
19952×
15+52×
85
59×
5500÷
14000÷
8108×
228×
51×
25055×
27+55×
73
2579×
80×
30339×
29922×
49+22×
951
79×
25047×
99+47
24000÷
834×
20016×
25082×
30+82×
970
25098×
18-18×
19942×
81+42×
919
5028×
999+28
4400÷
97-97
74000÷
836×
72-72×
62×
224×
25037×
68+37×
32
85-85