四年级数学上册简便计算399文档格式.docx
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四年级数学上册简便计算399文档格式.docx
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9.25×
7.6+9.25×
2.4
6.14×
107.34-6.14×
7.34
55.92+17.07-45.92
99
85.33-12.68-17.32
6.37×
52+6.37×
48
250-86
43.53+14.86+56.47
6.23×
3.7+6.23×
6.3
6.47×
103.59-6.47×
3.59
51.64+13.91-31.64
20×
72
92.16-10.92-19.08
7.04×
29+7.04×
8×
25-66
32.08+11.9+67.92
1.45×
6+1.45×
4
4.91×
1004.7-4.91×
4.7
74.96+21.62-34.96
24×
125×
45
92.2-10.89-19.11
7.81×
51+7.81×
49
72×
125-24
11.13+14.54+88.87
2.1×
2+2.1×
8
4.65×
1002.19-4.65×
2.19
90.64+63.92-40.64
28×
1250×
57
83.3-14.6-15.4
4.47×
47+4.47×
53
96×
1250-17
94.24+14.65+5.76
2.53×
7+2.53×
3
8.48×
14.57-8.48×
4.57
91.37+91.17-41.37
17
86.38-13.25-16.75
9.02×
69+9.02×
31
250-33
28.92+11.54+71.08
6.9×
8.5+6.9×
1.5
5.7×
18.64-5.7×
8.64
83.51+47.66-43.51
87
69.45-10.36-19.64
7.35×
7+7.35×
93
32×
1250-35
61.11+12.7+38.89
5.26×
0.4+5.26×
9.6
2.81×
106.93-2.81×
6.93
54.24+14.62-34.24
35
50.9-12.78-17.22
4.66×
55+4.66×
16×
25-53
12.36+14.88+87.64
5.13×
5.4+5.13×
4.6
1.41×
102.68-1.41×
2.68
99.82+56.94-59.82
48×
55
53.35-14.7-15.3
5.49×
2+5.49×
98
80×
250-53
52.76+13.85+47.24
8.81×
5.2+8.81×
4.8
6.2×
108.97-6.2×
8.97
70.2+58.17-50.2
50
44.21-12.82-17.18
8.38×
23+8.38×
77
25-47
42.45+10.54+57.55
2.36×
6.2+2.36×
3.8
4.37×
1009.47-4.37×
9.47
95.72+40.19-75.72
4×
46
96.49-12.78-17.22
3×
22+3×
78
25-96
21.14+12.3+78.86
8.69×
6.9+8.69×
3.1
3.35×
13.6-3.35×
3.6
64.77+75.36-54.77
44×
92
67.99-14.21-15.79
5.52×
62+5.52×
38
25-52
76.48+11.95+23.52
2.27×
2.2+2.27×
7.8
5.93×
14.36-5.93×
4.36
88.92+83.55-38.92
43
74-14.87-15.13
5.92×
88+5.92×
12
15.36+12.54+84.64
5.83×
4.7+5.83×
5.3
8.23×
14.79-8.23×
4.79
56.91+21.09-6.91
68
57.34-12.11-17.89
6.45×
54+6.45×
1250-23
40.82+13.02+59.18
4.93×
4.6+4.93×
5.4
8.39×
1003.77-8.39×
3.77
80.37+68.09-60.37
28
98.51-12.55-17.45
3.45×
95+3.45×
5
250-28
93.54+14.78+6.46
5.96×
4.9+5.96×
5.1
1.58×
109.1-1.58×
9.1
88.86+26.38-48.86
42
68.91-12.43-17.57
8.71×
97+8.71×
250-56
69.39+10.58+30.61
5.62×
8.1+5.62×
1.9
102.28-5.83×
2.28
97.58+19.37-67.58
82
47.4-13.18-16.82
7.08×
54+7.08×
1250-48
18.5+13.31+81.5
4.92×
2+4.92×
6.78×
1001.94-6.78×
1.94
73.45+69.23-33.45
74
69.99-10.68-19.32
9.93×
34+9.93×
66
125-85
92.46+11.69+7.54
3.29×
2.8+3.29×
7.2
9.14×
1006.95-9.14×
6.95
59.26+87.99-49.26
46.72-11.67-18.33
9.11×
40+9.11×
60
1250-63
59.04+13.62+40.96
7.17×
2.3+7.17×
7.7
9.72×
108.37-9.72×
8.37
74.21+24.4-24.21
47.6-13.8-16.2
9.07×
23+9.07×
1250-76
61.62+10.43+38.38
8.52×
1.8+8.52×
8.2
8.18×
104.67-8.18×
4.67
92.84+65.96-62.84
13
71.95-14.88-15.12
52+3.91×
64×
250-59
95.5+12.9+4.5
1.69×
4.4+1.69×
7.58×
17.07-7.58×
7.07
95.44+64.37-85.44
51.16-13.09-16.91
2.62×
74+2.62×
26
25-92
85.9+10.13+14.1
8.61×
1.9+8.61×
8.1
3.2×
104.64-3.2×
4.64
75.23+73.79-35.23
40.84-14.01-15.99
2.74×
79+2.74×
21
22.21+14.33+77.79
7.42×
2.9+7.42×
7.1
1008.44-5.96×
8.44
75.22+80.59-55.22
75
84.77-14.99-15.01
4.32×
50+4.32×
88×
1250-27
78.67+14.01+21.33
5.55×
7.1+5.55×
2.9
105.87-7.08×
5.87
63.64+76.52-53.64
84.18-13.79-16.21
4.59×
40+4.59×
250-79
33.89+11.95+66.11
3.14×
9.1+3.14×
0.9
2.83×
1001.16-2.83×
1.16
93.56+23.57-73.56
64.62-11.68-18.32
5.75×
83+5.75×
25-29
18.14+10.27+81.86
9.94×
3+9.94×
7
8.94×
103.68-8.94×
3.68
86.44+16.71-66.44
66.96-13.79-16.21
6.54×
50+6.54×
250-91
23.82+14.56+76.18
4.4+5.49×
5.27×
107.32-5.27×
7.32
85.36+30.71-65.36
86
79.85-11.04-18.96
7.16×
83+7.16×
125-72
61.21+12.87+38.79
2.2+6.2×
1007.57-6.14×
7.57
93.4+51.43-73.4
51
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