小数乘法简便计算强烈推荐41文档格式.docx
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(200+7)
8×
2.3×
1.25
54×
9.9
67×
3.7+6.7×
63
7.4×
1.1-0.74
44×
4.7×
3.6×
0.25
0.125×
45×
6×
5.2+6×
4.8
2.5×
0.45×
0.4
0.27×
(200+3)
3.5×
60×
26×
4.8+2.6×
52
0.125
8.1-0.8
21×
7×
0.8×
25
57×
8
5.3+6×
4.7
25×
0.84×
0.28×
(400+8)
4.2×
86×
22×
2.1+2.2×
79
6.4×
7.6×
4.1-0.76
19×
12.5×
7.5+0.8×
0.62×
0.04
0.23×
(500+5)
73×
30×
3.8+3×
62
1.1-0.64
89×
7.5×
1.2×
11×
4.5+7.5×
5.5
0.95×
0.26×
(100+8)
5.7×
76×
66×
2.1+6.6×
5.6×
1.5×
1.1-0.15
65×
8.2×
2.8×
3.7+7.5×
6.3
0.98×
0.21×
(500+9)
6.9×
15×
5.1+1.5×
49
5.1-0.28
14×
9.3×
9.9+2×
0.1
0.56×
(200+8)
4.4×
77×
2.3+7.7×
77
4.8×
3.1-0.35
70×
0.04×
1.3×
48×
8.1×
1.3+8.1×
8.7
0.65×
(500+4)
7.2×
83×
4.2+8.3×
58
5.1-0.75
62×
0.5×
3.2×
43×
8.7+4.7×
1.3
0.78×
0.24×
(100+2)
17×
55×
3.5+5.5×
65
2.4×
6.6×
4.1-0.66
2.9×
9.4+2.9×
0.6
0.83×
0.29×
84×
1.4+8.4×
86
3×
4.1-0.3
3.3×
85×
5×
1.6+5×
8.4
0.87×
(200+1)
5.8×
16×
1.8+1.6×
82
1.7×
2.1-0.17
5+8.1×
5
0.93×
(200+9)
3.7×
51×
1.6+1.1×
6.1-0.64
29×
0.3×
23×
8.5+6×
1.5
0.55×
(100+1)
6.7×
80×
59×
2.9+5.9×
71
8.1-0.85
0.7×
8.1+0.7×
1.9
0.76×
4.1×
37×
4.6+8.4×
54
4.1-0.4
7.9×
8.5+7.9×
0.71×
(100+6)
3.4+4.8×
66
1.1×
7.1-0.11
93×
8.9×
72×
1.8×
7.5+1.8×
(100+4)
5.1×
4.2+5.1×
7.1-0.25
7.1×
7.7×
5.6+7.7×
4.4