五年级数学上册小数乘法简便计算精选 38Word文档格式.docx
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0.26
1.26×
9999+1.260.676×
11-0.676
0.8×
2.50.49×
98
0.05×
0.55×
202.1×
103
0.025×
2.62×
0.041.4×
5.1+8.6×
5.1
5.8×
5.02=______×
(0.24×
4)=(______×
1.3×
3.9+8.7×
3.9=(______+______)×
0.467×
0.5×
0.02999×
0.45
4.24×
99+4.240.629×
1001-0.629
1.2×
2500.24×
1001
2.06×
202.5×
1005
3.61×
44.6×
4.8+5.4×
4.8
7.6×
7.25=______×
2.5×
(0.31×
400)=(______×
3.4×
3.8+6.6×
3.8=(______+______)×
0.353×
0.00299×
0.92
5.61×
99+5.610.622×
11-0.622
5.6×
2.50.15×
7.06×
0.022.2×
7.85×
4002.4×
7.2+7.6×
7.2
0.95=______×
(0.7×
7.1×
6.2+2.9×
6.2=(______+______)×
0.006×
12.5×
899×
0.77
5.58×
9+5.580.559×
101-0.559
3.6×
2.50.32×
8×
2002.3×
1003
3.78×
49.4×
2.5+0.6×
2.5
6.1×
8.85=______×
(0.18×
6.4×
6.4+3.6×
6.4=(______+______)×
0.623×
0.0899×
0.22
1.69×
9+1.690.258×
10001-0.258
0.0250.65×
3.14×
22.5×
6.86×
49.9×
7.5+.0999********×
7.5
4.6×
6.88=______×
(0.02×
40)=(______×
6.2×
3.8+3.8×
0.674×
0.002101×
0.57
1.52×
99+1.520.256×
10001-0.256
250.94×
5.96×
22.4×
1002
401.1×
5.8+8.9×
5.8
5.1×
7.91=______×
(0.92×
8.4×
5.9+1.6×
5.9=(______+______)×
0.243×
80099×
0.98
1.56×
999+1.560.321×
1001-0.321
0.0250.38×
102
9.01×
202.4×
105
0.62×
0.46.6×
9.7+3.4×
9.7
9.7×
0.25×
(0.74×
8.5×
4.2+1.5×
4.2=(______+______)×
0.286×
4999×
0.94
7.18×
9+7.180.686×
10001-0.686
0.250.55×
101
1.72×
1004
3.81×
4005.8×
9.9+4.2×
9.9