小数乘法简便计算强烈推荐134Word文档格式.docx
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4
0.21×
(300+1)
8×
2.8×
0.125
27×
10.1
97×
5.3+9.7×
47
12.5
2.1-0.2
57×
9.3×
0.25
1.2×
35×
7.9×
4.5+7.9×
5.5
0.81×
0.04
0.29×
(400+6)
9.8×
81×
20×
5+2×
50
3.8×
4.1-0.38
38×
4×
8.8×
37×
0.8×
7.9+0.8×
2.1
2.5×
0.98×
0.4
0.26×
(100+4)
2.3×
33×
36×
4.4+3.6×
56
6.4×
1.3×
8.1-0.13
30×
8.7×
0.125×
41×
8
2.2×
9.1+2.2×
0.9
0.55×
0.24×
(300+6)
8.5×
98×
2.4+9.8×
76
7×
7.1-0.7
60×
4.5×
5.1+3.8×
4.9
0.65×
0.28×
(200+7)
2.7×
72×
65×
1.5+6.5×
85
5.6×
1.9×
3.1-0.19
78×
0.4×
9×
3.6×
12.5×
5.7×
7.2+5.7×
2.8
25×
0.49×
0.27×
(200+5)
8.6×
45×
53×
2.8+5.3×
72
7.2×
6.6×
2.1-0.66
74×
73×
6.9×
5.1+6.9×
0.97×
(400+9)
9.2×
99×
47×
3.8+4.7×
62
7.1-0.4
94×
8.3×
1.7×
6.1+1.7×
3.9
0.6×
13×
63×
3.2+6.3×
68
1.6×
5.2×
7.1-0.52
64×
2.6×
8.9×
9.4+8.9×
0.6
0.62×
0.23×
(100+7)
95×
4.5+3.5×
1.1-0.57
49×
5.8×
9.6×
1.7+9.6×
8.3
0.47×
(200+9)
7.7×
51×
1.5+5.1×
6.1-0.57
26×
9.7×
5.5×
2.8+5.5×
7.2
(500+7)
9.5×
83×
17×
4.6+1.7×
54
7.1-0.8
9.9×
91×
3.8+8.9×
6.2
0.52×
(200+4)
4.3×
48×
24×
4.3+2.4×
57
8.1-0.8
1.9+2.3×
8.1
0.74×
(400+1)
6.8×
79×
3.2+3.7×
8.1-0.7
90×
4.2×
1.4×
7.4+1.4×
2.6
(200+2)
12×
4.2+1.2×
58
9.1-0.25
54×
9.8+2.4×
0.2
0.96×
4.9×
96×
4.4+9.7×
4.1-0.98
21×
5.4×
5.7+5.4×
4.3
0.54×
28×
5.4+2.8×
46
7.3×
5.1-0.73
7.5×
8.4×
4.6+8.4×
5.4