人教版四年级数学下册乘除法简便计算 277Word格式.docx
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人教版四年级数学下册乘除法简便计算 277Word格式.docx
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99+38
6400÷
34-34
8000÷
839×
79-79×
9
67×
2109×
23-23×
41×
8×
25067×
31+67×
969
36×
25037×
99+37
48×
12511×
64-64
24×
20316×
44-44×
22×
19986×
35+86×
65
38×
5092×
99+92
7100÷
25101×
27-27
99000÷
8104×
68-68×
4
12×
20013×
98-98×
3
86×
25026×
98+26×
902
20×
2565×
99+65
80×
1251001×
42-42
13×
301103×
26×
29974×
87+74×
913
59×
2569×
99+69
6900÷
63-63
40000÷
813×
26-26×
81×
218×
19-19×
2598×
67+98×
33
2562×
999+62
40×
22-22
43×
30138×
76-76×
9964×
41+64×
959
25023×
99+23
251001×
61-61
87000÷
8103×
29-29×
20026×
57-57×
25072×
27+72×
73
2573×
99+73
84-84
31×
30229×
28-28×
14×
29979×
11+79×
989
61×
2514×
99+14
6600÷
55-55
29000÷
819×
16-16×
50×
2023×
64-64×
19×
25076×
35+76×
965
999+67
31-31
101105×
29956×
31+56×
69
35×
5053×
99+53
6500÷
91-91
75000÷
8106×
55-55×
99×
2016×
84-84×
92×
2572×
45+72×
955
32×
25012×
999+12
14-14
21×
203102×
29915×
92+15×
908
87×
25055×
999+55
5700÷
72-72
80000÷
827×
32-32×
7
63×
2026×
2532×
62+32×
38
25074×
99+74
30332×
9941×
68+41×
32
78×
12548×
999+48
4600÷
98000÷
833×
89-89×
72×
200102×
45-45×
53×
25082×
45+82×
55
16×
25029×
99+29
66-66
101103×
25×
19912×
24+12×
976
27×
12559×
99+59
6300÷
33-33
8105×
93-93×
73×
200108×
35-35×
2548×
73+48×
27
25079×
99+79
30235×
11-11×
19992×
10+92×
990
25097×
99+97
5100÷
77-77
26000÷
832×
24-24×
2027×
92-92×
2587×
10+87×
25013×
999+13
30116×
54-54×
29949×
45+49×
3300÷
76-76
61000÷
822×
37-37×
214×
78-78×
2584×
37+84×
963
2581×
999+81
56×
39-39
34×
10112×
83-83×
9971×
85+71×
15
5035×
999+35
7900÷
11-11
89000÷
8109×
51-51×
49×
2038×
18-18×
2512×
59+12×
41
99+84
24-24
20119×
59-59×
19934×
4+34×
96
89×
25069×
3100÷
43-43
823×
47-47×
62×
2108×
25053×
9+53×
91
2595×
99+95
35-35
303102×
67-67×
9974×
52+74×
948
18×
2543×
999+43
41-41
25000÷
824×
79×
25022×
30+22×
970
25094×
99+94
23×
20239×
99-99×
9923×
20+23×
980
5400÷
99-99
41000÷
8107×
77-77×
68×
33-33×
25073×
71+73×
929
2544×
999+44
71-71
45×
103108×
52-52×
19987×
19+87×
981
2597×
1000÷
56-56
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