小数乘法简便计算强烈推荐34Word下载.docx
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79
1.6×
1.25
7.1×
3.1-0.71
19×
9.9
8.1×
0.125×
11×
6.5×
2.1+6.5×
7.9
0.89×
0.4
0.23×
(500+3)
8×
6.8×
94×
75×
1.2+7.5×
88
4.8×
0.125
5.1×
1.1-0.51
46×
4×
5.2×
2.4×
2.5
8
6.3×
8.5+6.3×
1.5
25×
0.73×
(300+5)
15×
3.1+4.6×
69
2.1-0.63
73×
0.2×
3.2×
55×
8.4×
4.3+8.4×
0.83×
0.04
0.27×
(300+2)
6.7×
63×
1.8+4.2×
82
4.3×
8.1-0.43
96×
0.04×
5.5×
12.5×
54×
7.9×
2.3+7.9×
7.7
0.25×
0.66×
(400+3)
20×
65×
1.8+6.5×
3.1-0.4
36×
6.9×
41×
8.9+4×
1.1
0.82×
(200+5)
7.4×
39×
17×
4.7+1.7×
53
7.5×
8.1-0.75
45×
5.8×
78×
8.5×
5+8.5×
5
0.59×
(100+2)
37×
97×
3.5+9.7×
65
2.7×
1.1-0.27
89×
6.6×
3.6×
50×
5.6×
2.6+5.6×
7.4
0.24×
79×
35×
4.3+3.5×
57
3.5×
6.1-0.35
1.5×
13×
2×
1.8+2×
8.2
0.72×
0.21×
(500+4)
8.6×
99×
4.2+9.9×
58
2.3×
9.1-0.23
16×
7.8×
81×
0.3×
7.6+0.3×
2.4
0.94×
(200+4)
67×
26×
2.4+2.6×
76
2.9×
1.1-0.29
56×
3.9×
1.2×
90×
6.5+2.7×
3.5
0.55×
(300+8)
7.6×
59×
3.9+5.9×
61
6.4×
5.1-0.35
3.7×
5.7×
9.6+5.7×
(200+9)
4.4×
87×
88×
2.4+8.8×
8.1-0.29
3.4×
14×
1.6+3.5×
8.4
0.81×
52×
1.4+5.2×
86
7.2×
5.1-0.72
48×
6.1×
31×
7.8+5.4×
2.2
0.52×
(100+9)
71×
2.6+1.3×
74
5.1-0.43
7.3×
6×
8.2+1.2×
1.8
0.78×
0.22×
(200+2)
2.2×
77×
1.7+2×
83
3.1-0.27
64×
22×
7.3+6×
2.7
0.67×
(300+4)
9.5×
1.9+8.9×
81
6.1-0.64
33×
8.8×
7.6+8.8×
0.53×
(100+7)
4.2×
57×