小数乘法简便计算强烈推荐212Word文档下载推荐.docx
《小数乘法简便计算强烈推荐212Word文档下载推荐.docx》由会员分享,可在线阅读,更多相关《小数乘法简便计算强烈推荐212Word文档下载推荐.docx(7页珍藏版)》请在冰豆网上搜索。
0.27×
(100+2)
8×
5.7×
68×
10.1
63×
3.8+6.3×
62
7.2×
8.7×
6.1-0.87
30×
4×
3×
0.4×
25
69×
8
1.9×
5.7+1.9×
4.3
0.45×
0.21×
(200+2)
6.9×
95×
89×
4.1+8.9×
59
12.5
8.2×
5.1-0.82
29×
5.2×
2.5
1.2×
56×
1.3×
8.4+1.3×
1.6
0.47×
0.4
0.22×
(100+7)
4.8×
77×
20×
1.2+2×
88
1.25
9.7×
3.1-0.97
33×
3.1×
3.6×
12.5×
21×
5.9×
1.2+5.9×
8.8
0.25×
0.86×
(400+2)
0.8×
45×
26×
1.7+2.6×
83
6.4×
7.4×
3.1-0.74
96×
94×
7×
8.5+7×
1.5
25×
0.6×
(200+3)
3.2×
62×
5.5+6.2×
45
1.4×
5.1-0.14
22×
9×
98×
8+8×
2
0.59×
0.26×
(500+7)
5.3×
91×
36×
4.5+3.6×
55
2.4×
1.1-0.24
97×
0.125×
86×
5.6×
7.1+5.6×
2.9
0.75×
4
0.28×
(300+4)
2.6×
4.3+9.8×
57
8.1-0.25
57×
6.6×
59×
8.4+8×
0.63×
6.7×
87×
35×
5.3+3.5×
47
4.1-0.16
1.8×
5.1×
6.8+5.1×
3.2
0.81×
0.29×
(400+6)
9.3×
16×
82×
5.3+8.2×
2.1-0.36
4.7×
4.6+6.9×
0.64×
(500+5)
40×
3.1+2.9×
69
9.1-0.73
72×
5×
4.2×
5.1+4.2×
4.9
0.53×
6.8×
81×
4.6+8.1×
54
1.1-0.18
5.8×
53×
0.9×
5.8+0.9×
4.2
0.52×
(400+7)
13×
1.1+8.1×
89
6.5×
2.1-0.65
34×
3.3+6.9×
6.7
0.98×
4+9.5×
60
9.1-0.59
9.6+5.8×
0.87×
(500+4)
37×
1.7+3.7×
5.1-0.57
9.4×
0.2×
3.7+0.2×
6.3
0.92×
0.24×
8.1×
93×
2.4+2.9×
76
8.8×
9.1-0.88
43×
5.4×
1.8+5.4×
8.2
(100+4)
7.7×
60×
49×
3.2+4.9×
9.1-0.93
6.3×
2×
6.7+4.7×
3.3