小数乘法简便计算强烈推荐345Word格式.docx
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1.25×
10×
8
4.4×
5+4.4×
5
25×
0.91×
4
0.24×
8.3×
0.125
45×
71×
2.5+7.1×
75
1.5×
5.1-0.15
63×
3×
0.25
1.6×
0.125×
93×
0.8
2.4×
1.9+2.4×
8.1
0.75×
0.04
0.23×
(400+7)
7.1×
97×
2.1+9.7×
79
7.5×
1.1-0.75
26×
0.4×
5.9×
2.5
12.5×
28×
3.8×
6.4+3.8×
3.6
0.49×
(200+6)
6.8×
18×
53×
4.2+5.3×
58
4×
7.1-0.4
11×
5.8×
3.6×
0.3×
6.1+0.3×
3.9
0.9×
(300+3)
9.7×
80×
32×
4.1+3.2×
59
8.5×
8.1-0.85
94×
2.5×
54×
9.1×
3.9+9.1×
6.1
0.84×
0.26×
(300+2)
5.7×
36×
23×
1.8+2.3×
82
5.6×
9.1-0.77
58×
7×
8.1×
3.7+8.1×
6.3
0.54×
(200+7)
4.9×
64×
2.8+6.4×
72
9.8×
7.1-0.98
34×
4.3×
2.8×
46×
1.2×
1.4+1.2×
8.6
0.78×
0.27×
(400+1)
41×
39×
2.2+3.9×
78
3.2×
5.1×
2.1-0.51
86×
59×
6.3+1.5×
3.7
0.48×
0.28×
6.6×
27×
43×
4.1+4.3×
6.4×
4.6×
7.1-0.46
85×
68×
2.2+8.5×
7.8
(400+5)
7.3×
33×
1.4+3.3×
86
3.1-0.58
0.7×
99×
1×
4.1+1×
5.9
0.68×
(500+9)
2.3×
57×
3.9+6.3×
61
6.9×
3.1-0.69
60×
8.7×
67×
7.8×
1.6+7.8×
8.4
0.73×
(500+2)
8.6×
70×
4.8+7×
52
7.1-0.15
22×
2.9×
6.3+2.9×
0.98×
(400+9)
3.5×
83×
50×
4.2+5×
3.9×
8.1-0.39
44×
7.7+8.7×
2.3
0.88×
0.29×
(300+1)
84×
48×
4.9+4.8×
51
9.2×
3.1-0.92
72×
9×
2.2×
9.8+2.2×
0.2
0.56×
(500+8)
7.6×
5.5+6.7×
45
8.1-0.49
13×
16×
3.1+7×
6.9
0.74×
(300+9)
6.3×
37×
4.5+1.1×
55
5.1-0.38
21×
8.6+3.5×
1.4
0.82×
4.1+4.6×
2.1×
3.1-0.21
35×