人教版四年级数学下册乘除法简便计算 13文档格式.docx
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49-49
22×
20227×
99-99×
7
19933×
45+33×
955
8×
83×
25086×
99+86
3000÷
2511×
86-86
7000÷
833×
83-83×
95×
2032×
94-94×
19×
25059×
42+59×
58
2553×
99+53
56×
1251001×
24-24
12×
10122×
41-41×
23×
29955×
44+55×
56
12516×
99+16
9200÷
14-14
88000÷
827×
15-15×
5×
2015×
48-48×
5
25073×
66+73×
934
28×
25068×
99+68
48×
13-13
13×
30339×
56-56×
9
15×
29965×
84+65×
916
2566×
999+66
1200÷
95-95
38000÷
818×
35-35×
8
2103×
81-81×
52×
25052×
53+52×
947
25078×
99+78
80×
125101×
63-63
302102×
84-84×
29959×
17+59×
983
44×
25011×
99+11
8400÷
32-32
13000÷
817×
64-64×
20026×
72×
25016×
72+16×
928
2535×
999+35
24×
83-83
45×
20326×
12-12×
9935×
34+35×
66
88×
5069×
99+69
2200÷
58-58
56000÷
8109×
82-82×
61×
2037×
37-37×
32×
25023×
71+23×
929
25033×
99+33
40×
73-73
30127×
46-46×
29947×
61+47×
39
69×
12536×
999+36
6700÷
41-41
23000÷
66-66×
68×
20029×
25081×
84+81×
25022×
999+22
23-23
30116×
21×
51+72×
49
99×
12553×
999+53
6600÷
62-62
43000÷
825×
58-58×
92×
2025×
53-53×
43×
2515×
55+15×
45
36×
25083×
999+83
65-65
20317×
69-69×
19991×
54+91×
946
47×
999+16
8900÷
74-74
74000÷
838×
16-16×
20013×
74-74×
2582×
72+82×
28
2573×
99+73
33×
20323×
49-49×
9978×
40+78×
960
2525×
99+25
3300÷
79000÷
8102×
92-92×
97-97×
50+53×
950
25094×
999+94
76-76
10229×
9929×
26+29×
974
12546×
99+46
3700÷
38-38
85000÷
834×
27-27×
4
86×
63-63×
25046×
61+46×
939
2588×
999+88
87-87
20219×
75-75×
25×
9953×
20+53×
980
5034×
999+34
7800÷
36-36
96000÷
76×
229×
91×
25077×
45+77×
55
25014×
999+14
81-81
46×
103105×
79-79×
19922×
46+22×
954
59×
2598×
99+98
2600÷
27-27
4000÷
828×
239×
59-59×
25043×
37+43×
63
25091×
999+91
45-45
20229×
39-39×
14×
29942×
14+42×
86
93×
5051×
99+51
3900÷
69-69
73000÷
29-29×
200109×
78-78×
82×
25013×
29+13×
71
2537×
999+37
20338×
31-31×
9912×
98+12×
902
26×
12576×
999+76
6200÷
45000÷
829×
77-77×
94×
2108×
67-67×
75×
25055×
16+55×
84
2592×
999+92
53-53
20225×
29979×
50+79×
50
79×
9500÷
251001×
16-16
60000÷
8106×
228×
68-68×
25058×
66+58×
99+58
51-51
10138×
18-18×