五年级数学上册小数乘法简便计算专项练习225Word下载.docx
《五年级数学上册小数乘法简便计算专项练习225Word下载.docx》由会员分享,可在线阅读,更多相关《五年级数学上册小数乘法简便计算专项练习225Word下载.docx(9页珍藏版)》请在冰豆网上搜索。
0.049.1×
3.8+0.9×
3.8
4.4×
9.35=______×
25×
(0.65×
0.04)=(______×
1.3×
2.4+8.7×
2.4=(______+______)×
0.734×
0.002999×
0.97
7.82×
99+7.820.281×
10001-0.281
5.2×
0.250.81×
9.36×
2002.5×
1003
0.25×
3×
407.5×
9.2+2.5×
9.2
6.2×
9.53=______×
2.5×
(0.03×
4)=(______×
5.9×
1.6+4.1×
1.6=(______+______)×
0.653×
0.125×
0.8999×
0.68
2.69×
99+2.690.315×
11-0.315
2500.45×
998
0.05×
6.95×
202.1×
1004
3.47×
4009.4×
7.3+0.6×
7.3
5.5×
8.93=______×
(0.55×
4.3×
2.2+5.7×
2.2=(______+______)×
0.418×
0.4101×
0.24
9+3.470.656×
11-0.656
0.0250.26×
1001
2.08×
0.021.1×
103
4.92×
4009.7×
8.4+0.299999999999999×
8.4
9.36=______×
(0.01×
8.6×
6.2+1.4×
6.2=(______+______)×
0.441×
50×
0.2101×
0.65
3.42×
999+3.420.718×
11-0.718
8×
0.250.11×
3.48×
0.022.4×
1002
6.01×
4009.2×
9.5+0.799999999999999×
9.5
4.8×
7.21=______×
(0.83×
9.9×
6.8+.0999********×
6.8=(______+______)×
0.54×
0.08101×
0.15
8.77×
9999+8.770.142×
11-0.142
2×
2.50.45×
98
7.02×
22.1×
101
4.66×
0.044.7×
6.5+5.3×
6.5
8.5×
9.25=______×
1.1×
8.9+8.9×
8.9=(______+______)×
0.324×
0.88
2.47×
99+2.470.266×
11-0.266
6.8×
0.250.85×
5.05×
0.022.2×
9.82×
43.9×
3.5+6.1×
3.5
3.4×
1.35=______×
(0.54×
400)=(______×
3.5+3.2×
3.5=(______+______)×
0.847×
12.5×
0.81001×
0.96
1.39×
9+1.390.351×
10001-0.351
0.250.34×
1.47×
21.3×
104
401.5×
1.5+8.5×
1.5
1.9×
1.02=______×
(0.39×
6.8+5.7×
0.22×
40999×
0.41
4.36×
999+4.360.452×
1001-0.452
3.2×
0.250.16×
9.48×
2002.2×
6.86×
407.2×
3.4+2.8×
3.4
8.59=______×
(0.35×
9.7×
6.5+0.299999999999999×
6.5=(______+______)×
0.851×
0.0899×
0.17
7.92×
999+7.920.121×
101-0.121
1.2×
2.50.17×
4.61×
22.4×
1.72×
0.040.1×
7.6+9.9×
7.6
9.4×
5.62=______×
(0.5×
40)=(______×
8.1×
4.1+1.9×
4.1=(______+______)×
0.097×
801001×
6.97×
9+6.970.665×
11-0.665
3.6×
2.50.19×
8.89×
0.021.2×
102
7.7×
404.1×
3.3+5.9×
3.3
6.46=______×
(0.6×
5.3×
4.8+4.7×
4.8=(______+______)×
0.78×
8001001×
0.23
9.35×
99+9.350.345×
101-0.345
250.57×
8.94×
9.8×
0.042×
9.7+8×
9.7
8.7×
8.1=______×
(0.02×
9.1×
2.5+0.9×
2.5=(______+______)×
0.423×
0.93
7.36×
9999+7.360.398×
101-0.398
2.50.89×
9.2×
9.11×
4000.9×
7.2+9.1×
7.2
7.9×
1.53=______×
(0.57×
5.4×
8.1+4.6×
8.1=(______+______)×
0.411×
3.12×
9+3.120.137×
11-0.137
2.50.94×
999
1.52×
201.2×
105
9.93×
48.5×
5.4+1.5×
5.4
0.81=______×
(0.48×
5.2+4.8×
5.2=(______+______)×
0.4999×
0.83
6.25×
9999+6.250.447×
101-0.447
2500.75×
3.65×
201.4×
9.23×
6.7+5.3×
6.7