人教版四年级数学下册乘除法简便计算 244Word格式.docx
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14-14×
8
59×
2548×
57+48×
943
36×
25077×
999+77
14-14
21×
103108×
92-92×
13×
19943×
3+43×
97
57×
2585×
999+85
6800÷
25101×
86-86
36000÷
817×
48-48×
7
33×
200103×
86-86×
63×
25048×
5+48×
95
24×
25024×
99+24
56×
1251001×
19-19
31×
20317×
77-77×
9964×
38+64×
62
46×
5087×
99+87
4000÷
2511×
42-42
21000÷
819×
31-31×
9
86×
50×
20014×
29-29×
25087×
11+87×
989
12×
25051×
999+51
125101×
81-81
26×
20328×
76-76×
9919×
19+19×
81
2572×
99+72
8300÷
27-27
11000÷
828×
33-33×
92×
2106×
42-42×
6
38×
51+77×
49
40×
25022×
99+22
99-99
25×
30336×
38-38×
14×
19951×
18+51×
982
65×
25032×
99+32
96-96
86000÷
812×
27-27×
2
232×
44-44×
19×
16+77×
984
2567×
99+67
39-39
20222×
55-55×
19922×
89+22×
11
12574×
99+74
2200÷
12-12
8000÷
95-95×
53×
2032×
58-58×
74×
2526×
55+26×
45
2539×
999+39
62-62
101105×
61-61×
5
29991×
54+91×
46
77×
12595×
99+95
3000÷
51-51
10000÷
834×
43-43×
20036×
98×
2555×
79+55×
21
2564×
999+64
48×
79-79
10326×
75-75×
29963×
38+63×
12585×
9100÷
99000÷
825×
20109×
78×
2533×
23+33×
77
2531×
23×
10228×
29971×
47+71×
953
27×
5061×
99+61
200÷
78-78
85000÷
814×
46-46×
20015×
81-81×
25052×
90+52×
10
25095×
999+95
85-85
201109×
15×
19995×
98+95×
902
35×
12554×
999+54
1900÷
8105×
87-87×
58×
20028×
69×
25023×
26+23×
974
25042×
999+42
45×
201102×
45-45×
29988×
9+88×
91
7×
12567×
6400÷
70000÷
839×
89-89×
20104×
21-21×
25066×
87+66×
13
25018×
999+18
18-18
102104×
37-37×
19981×
97+81×
903
52×
25021×
999+21
600÷
69-69
54000÷
8107×
67-67×
75×
2102×
22-22×
83×
2592×
31+92×
69
20×
2569×
999+69
20228×
62-62×
29952×
37+52×
963
6×
2571×
99+71
1600÷
92-92
818×
36-36×
216×
68-68×
25054×
23+54×
977
99+66
97-97
42×
10112×
64-64×
9929×
73+29×
927
68×
12526×
999+26
5800÷
73-73
43×
20102×
84×
25035×
55+35×
945
25069×
45-45
20333×
16-16×
29932×
34+32×
66
2557×
999+57
5700÷
41-41
67000÷
824×
52-52×
87×
229×
63-63×
25065×
41+65×
59
25083×
99+83
80×
34-34×
9928×
66+28×
934
12559×
999+59
9600÷
54-54
16000÷
8102×
82×
20038×
44×
25073×
85+73×
915