小数乘法简便计算精选一线教师 倾情奉献 46文档格式.docx
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2.4×
2.50.44×
99
0.05×
2.08×
0.022.3×
103
0.025×
4.93×
0.046.1×
4.4+3.9×
4.4
4.4×
1.8=______×
(0.47×
40)=(______×
3.6×
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5.5=(______+______)×
0.062×
0.04999×
0.47
6.54×
999+6.540.327×
101-0.327
4.8×
2500.33×
98
6.25×
0.021.2×
1004
6.97×
0.048.1×
5.5+1.9×
5.5
8.3×
2.44=______×
0.25×
0.4)=(______×
1.4×
2.8+8.6×
2.8=(______+______)×
0.588×
500×
0.02999×
0.91
4.79×
999+4.790.145×
101-0.145
1.6×
2500.56×
102
0.5×
5.4×
21.3×
101
3.01×
405.3×
5.4+4.7×
5.4
2.9×
5.86=______×
(0.78×
4)=(______×
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6.2+4.7×
6.2=(______+______)×
0.302×
400999×
0.78
3.96×
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11-0.747
5.2×
250.57×
4.19×
202.3×
3.98×
402.7×
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1.9
4.6×
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5.9=(______+______)×
0.517×
800999×
0.76
4.38×
9+4.380.734×
10001-0.734
2.8×
2.50.81×
1001
9.26×
0.22.1×
2.46×
0.043×
6.4+7×
6.4
7.6×
0.53=______×
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6.56×
9999+6.560.982×
10001-0.982
2500.38×
5.13×
201.2×
7.27×
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2.5+3.7×
2.5
7.3×
250×
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8001001×
0.32
9.31×
999+9.310.676×
101-0.676
2.50.21×
1002
2.3×
201.3×
4.94×
408×
8.1+2×
8.1
4.93=______×
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0.657×
0.4101×
0.92
6.88×
99+6.880.279×
1001-0.279
1.2×
250.47×
2.68×
105
7.81×
45.1×
4.8+4.9×
4.8
6.2×
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0.329×
801001×
0.57
4.22×
99+4.220.745×
10001-0.745
0.4×
2.50.52×
3.51×
202.2×
104
0.56×
0.049.1×
3.7+0.9×
3.7