人教版四年级数学下册乘除法简便计算 401Word文档格式.docx
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21-21×
6
11×
19986×
46+86×
54
85×
2515×
999+15
4400÷
251001×
28-28
89000÷
812×
97-97×
63×
232×
38-38×
43×
2563×
89+63×
11
40×
2559×
999+59
56×
125101×
95-95
44×
20123×
67-67×
24×
29992×
15+92×
985
28×
25083×
99+83
7200÷
67-67
53000÷
838×
66-66×
8
2025×
25-25×
5
31×
25078×
85+78×
15
2567×
999+67
63-63
30126×
96-96×
19962×
35+62×
65
99×
5061×
999+61
4800÷
23-23
50000÷
32-32×
59×
2019×
79-79×
9
97×
25018×
58+18×
942
32×
2564×
999+64
1251001×
22-22
26×
20326×
29917×
87+17×
13
25×
99+63
6500÷
25101×
27-27
84000÷
8107×
7
71×
224×
55-55×
4
2516×
88+16×
912
36×
99+64
48×
61-61
10317×
65-65×
19949×
27+49×
73
92×
2523×
999+23
1200÷
65-65
73000÷
825×
13-13×
93×
5×
200105×
47-47×
98×
25079×
93+79×
907
2582×
99+82
71-71
20138×
91-91×
22×
29984×
33+84×
67
34×
5033×
200÷
83-83
83000÷
828×
79×
20108×
23-23×
53×
2519×
49+19×
51
25023×
58-58
33×
201106×
9946×
5+46×
995
78×
12557×
99+57
9700÷
54000÷
815×
78-78×
38×
214×
53-53×
28+23×
972
2528×
99+28
80×
42-42
20219×
89-89×
29981×
23+81×
77
12524×
999+24
400÷
59-59
21000÷
816×
69-69×
61×
49-49×
66×
2543×
60+43×
940
12×
25094×
99+94
52-52
54-54×
16×
9916×
12+16×
988
25081×
99+81
1700÷
91-91
65000÷
837×
86-86×
82×
2034×
59-59×
25034×
18+34×
982
25041×
99+41
33-33
41×
30312×
44-44×
29934×
46+34×
84×
2553×
99+53
1000÷
76-76
67000÷
829×
39×
2029×
92-92×
25014×
24+14×
76
2586×
99+86
10313×
50+49×
50
49×
25095×
999+95
6300÷
79-79
47000÷
8106×
18×
2039×
82-82×
50+41×
950
2575×
99+75
24-24
20139×
18-18×
9926×
62+26×
42×
5055×
999+55
9600÷
51-51
34000÷
822×
61-61×
20014×
75-75×
75×
25053×
17+53×
983
2518×
99+18
14-14
15×
10225×
23×
9939×
53+39×
47
12551×
9400÷
98-98
46000÷
813×
85-85×
2013×
35×
25064×
68+64×
32
25055×
99+55
34-34
30236×
62-62×
29996×
7+96×
93
12558×
99+58
55-55
75000÷
2103×
25096×
38+96×
962
25042×
999+42
74-74
203103×
84-84×
19915×
24+15×
976
5018×
10000÷
8102×
20027×
25017×
78+17×
22
99+19
14×
20218×
29938×
33+38×
967