小数乘法简便计算强烈推荐232Word文档格式.docx
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79
0.8×
0.125
6.3×
8.1-0.63
98×
10.1
2.9×
0.25
0.125×
21×
0.8
4.6×
7.6+4.6×
2.4
0.25×
0.45×
0.4
0.29×
(400+7)
6.1×
12.5
72×
5.5+7.2×
45
9.6×
4.1-0.96
82×
0.04×
3.6×
25
32×
6.5×
2.1+6.5×
7.9
0.53×
0.22×
(500+4)
7.6×
40×
50×
3.1+5×
69
5.6×
6.9×
4.1-0.69
96×
9.4×
13×
5.2×
5.4+5.2×
4.6
25×
0.67×
0.23×
(400+3)
8.7×
59×
5.2+5.9×
48
1.6×
7.3×
2.1-0.73
79×
2.4×
2×
8.1×
5.1+8.1×
4.9
0.24×
(400+5)
9×
45×
57×
2.5+5.7×
75
4.8×
6.4×
2.1-0.64
7.9×
12.5×
35×
4.4×
4.1+4.4×
5.9
0.46×
4
0.26×
(100+8)
92×
2.2+3.5×
78
4.1×
3.1-0.41
43×
3.2×
20×
2.2×
9.5+2.2×
0.81×
19×
2.5+2.7×
8.1-0.96
17×
55×
1.8×
3.8+1.8×
6.2
0.58×
(100+4)
3.1×
81×
64×
2.6+6.4×
74
5.1-0.16
49×
8.4×
48×
6.5+6.5×
3.5
0.72×
0.28×
(500+7)
8.5×
3.3+4.5×
67
3.5×
3.1-0.35
91×
8.2×
77×
2.7+7.3×
7.3
0.79×
(200+3)
89×
5.3+7.7×
47
7.2×
5.1-0.87
9.3×
56×
0.6×
9.5+0.6×
0.78×
(500+5)
69×
54×
4.1+5.4×
59
2.1-0.2
52×
6.7×
1×
7.5+1×
0.68×
0.27×
(100+2)
9.8×
11×
58×
3.7+5.8×
63
1.1-0.16
23×
8.9×
9.6+0.8×
0.83×
29×
36×
4.5+3.6×
55
1.1-0.76
4.2+5.7×
5.8
(200+9)
7.8×
42×
3.4+5.4×
66
2.1×
8.1-0.21
33×
4.2×
76×
2.9+9×
7.1
0.66×
(100+9)
85×
1.1+8.5×
89
1.2×
7.1-0.12
1.7×
0.9×
3.5+0.9×
6.5
0.97×
3×
44×
26×
4.3+2.6×
57
1.1-0.31
9.1×
9.2+4.6×
(300+6)
74×