小数乘法简便计算强烈推荐106Word下载.docx
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72
0.8×
0.125
6.5×
1.1-0.65
72×
0.4×
1.8×
25
2×
2.5
1.25×
93×
0.8
5.1×
8.8+5.1×
1.2
0.45×
0.23×
(400+5)
12.5
25×
37×
4+3.7×
60
2.4×
5.7×
2.1-0.57
29×
7.5×
43×
0.2×
6.9+0.2×
3.1
0.75×
(500+5)
4×
46×
10.1
55×
4+5.5×
8.9×
2.1-0.89
77×
1.9×
97×
4.3×
2.4+4.3×
7.6
0.79×
0.4
0.28×
(200+2)
7.9×
85×
71×
3.2+7.1×
68
6.4×
7.1-0.19
84×
4.5×
95×
8.9+2.5×
1.1
0.89×
4
0.24×
(100+7)
5.9×
79×
99×
3.4+9.9×
66
4.4×
8.1-0.44
8.7×
2.8×
96×
5.5×
2.8+5.5×
7.2
0.61×
(200+4)
4.9×
32×
4+7.2×
4.2×
4.1-0.42
50×
6.3×
0.125×
16×
7.7×
7.6+7.7×
2.4
0.7×
0.22×
(400+9)
5.3×
14×
31×
4.6+3.1×
54
8.8×
3.1-0.88
58×
1.4×
3.2×
67×
9.1+5.1×
0.9
0.25×
0.86×
6.1×
18×
2.2+1.8×
78
7.8×
4.1-0.78
68×
87×
7.1×
1.1+7.1×
8.9
0.59×
(200+7)
3.3×
70×
2.3+1.3×
77
4.7×
7.1-0.47
3.9×
6.2×
4+6.2×
6
0.27×
(100+4)
11×
69×
1.9+6.9×
81
4.8×
6.1-0.88
62×
5.8×
48×
3.6+5.3×
6.4
(300+8)
9.1×
38×
42×
5+4.2×
50
6×
9.1-0.6
30×
0.5×
3.6×
5.3+0.5×
4.7
0.99×
6.9×
64×
1.2+2.5×
88
3.1-0.18
7.1+3.3×
2.9
0.46×
(100+6)
8.4×
63×
3.6+6.3×
64
1.1-0.91
36×
8.3×
7×
5.5+7×
4.5
0.69×
(200+1)
15×
1.6+1.5×
84
5.6×
3.1-0.8
1.1×
3.6+3.1×
0.96×
3.8×
2.7+6.3×
73
4.6×
2.1-0.46
51×
21×
6.1+5.6×
3.9
0.65×
0.29×
(300+9)
27×
3+2.7×
70
5.2×
2.1-0.52
88×
40×
8.2+7.5×
1.8
0.48×
0.21×
(300+4)