人教版四年级数学下册乘除法简便计算 449Word下载.docx
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人教版四年级数学下册乘除法简便计算 449Word下载.docx
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4÷
2511×
35-35
88000÷
812×
55-55×
2
37×
20032×
11-11×
68×
2587×
23+87×
77
12×
25098×
99+98
72×
12511×
84-84
33×
30237×
35-35×
9983×
92+83×
908
92×
5068×
99+68
3800÷
25101×
15000÷
824×
69-69×
4
93×
5×
2018×
85-85×
8
55×
2588×
64+88×
936
32×
25079×
999+79
74-74
44×
103102×
45-45×
26×
9913×
53+13×
947
74×
12593×
99+93
1100÷
85-85
90000÷
822×
88-88×
13×
200108×
44-44×
96×
25089×
23+89×
16×
25043×
48×
17-17
102108×
84-84×
15×
19994×
7+94×
993
25014×
99+14
8100÷
32-32
819×
87-87×
36×
97-97×
84×
2521×
31+21×
969
2571×
999+71
40×
49-49
30129×
34-34×
9956×
26+56×
974
23×
2554×
99+54
4900÷
44-44
30000÷
818×
79×
20107×
99-99×
2549×
15+49×
985
25053×
99+53
19-19
303104×
27-27×
19934×
93+34×
907
38×
5092×
999+92
4800÷
33-33
35000÷
8104×
25-25×
58×
223×
14-14×
3
61+71×
939
25069×
999+69
125101×
94-94
46×
30232×
91-91×
11×
29943×
47+43×
53
5099×
99+99
5800÷
251001×
24-24
47000÷
823×
81×
20019×
62-62×
88×
2569×
24+69×
976
95-95
101106×
21-21×
9916×
63+16×
937
5025×
99+25
8200÷
34-34
42000÷
825×
15-15×
5
27×
217×
31-31×
89×
25012×
4+12×
96
2596×
99+96
78-78
43×
303109×
77-77×
29971×
24+71×
12546×
999+46
9400÷
38-38
12000÷
66-66×
29×
2038×
71-71×
73×
25023×
2+23×
98
2548×
99+48
97-97
302106×
21×
29932×
36+32×
64
67×
12532×
99+32
6300÷
25-25
19000÷
8107×
36-36×
14×
228×
42-42×
25056×
38+56×
962
2538×
999+38
73-73
34×
301107×
29964×
13+64×
87
77×
25033×
999+33
9500÷
93-93
98000÷
19-19×
65×
200105×
78-78×
2557×
64+57×
36
2559×
99+59
9948×
70+48×
30
25038×
99+38
500÷
75000÷
832×
47×
20038×
2563×
23+63×
999+88
83-83
30134×
68-68×
19918×
42+18×
958
5083×
99+83
5900÷
94000÷
82-82×
57×
200102×
64-64×
2577×
15+77×
28×
25083×
999+83
64×
45-45
20216×
9974×
91+74×
909
2553×
1700÷
38000÷
838×
43-43×
2109×
12-12×
30+54×
70
25039×
999+39
80×
91-91
10119×
29945×
89+45×
11
25054×
999+54
7000÷
62-62
55000÷
815×
75×
2026×
86×
25078×
83+78×
17
25093×
23-23
10323×
19953×
81+53×
19
12595×
99+95
6100÷
88-88
22000÷
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