五年级数学上册小数乘法简便计算专项练习240Word下载.docx
《五年级数学上册小数乘法简便计算专项练习240Word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240Word下载.docx(9页珍藏版)》请在冰点文库上搜索。
3.8
5.8×
2.29=______×
25×
(0.13×
0.04)=(______×
3.2×
5.8+6.8×
5.8=(______+______)×
0.879×
0.4999×
0.97
2.64×
999+2.640.974×
101-0.974
0.4×
2.50.63×
1002
6.81×
2002.2×
1003
7.95×
401.7×
3.6+8.3×
3.6
6.5×
4.3=______×
2.5×
(0.68×
0.4)=(______×
6.5+3.5×
6.5=(______+______)×
0.746×
500×
0.021001×
0.25
6.93×
9+6.930.687×
101-0.687
4.8×
2500.17×
98
0.5×
8.4×
0.022.2×
1.58×
406.5×
5.8+3.5×
5.8
3.7×
7.96=______×
(0.37×
4.1×
1.7+5.9×
1.7=(______+______)×
0.83×
0.125×
0.0899×
0.29
6.52×
9+6.520.632×
11-0.632
8×
2500.86×
1.05×
201.4×
105
3.16×
4006.9×
1.8+3.1×
1.8
9.12=______×
250×
(0.3×
4)=(______×
5.3×
4.6+4.7×
4.6=(______+______)×
0.9×
400999×
0.62
7.85×
9+7.850.973×
1001-0.973
6×
2500.28×
101
8.08×
21.1×
1005
9.7×
0.041.7×
1.4+8.3×
1.4
8.8×
2.02=______×
(0.19×
1.7×
8.3+8.3×
8.3=(______+______)×
0.827×
5×
0.002101×
0.42
5.33×
9+5.330.417×
1001-0.417
2.4×
2.50.92×
998
0.12×
1004
9.27×
0.048.9×
1.8+1.1×
7.2×
9.96=______×
(0.62×
40)=(______×
3.6×
7.2+6.4×
7.2=(______+______)×
0.536×
0.41001×
0.73
7.87×
9999+7.870.712×
11-0.712
2500.24×
102
4.78×
0.021.5×
0.78×
407×
6.4+3×
6.4
8.1×
8.19=______×
(0.48×
6.7×
1.9+3.3×
1.9=(______+______)×
0.484×
4101×
0.55
5.54×
9+5.540.694×
10001-0.694
6.4×
2.50.37×
6.91×
0.22.2×
104
5.98×
49.4×
3.6+0.6×
0.1×
0.95=______×
(0.59×
4.7+2.3×
4.7=(______+______)×
0.094×
1.25×
801001×
1.19×
99+1.190.222×
10001-0.222
7.6×
2500.66×
99
7.32×
21.3×
8.2×
404.4×
2.9+5.6×
2.9
4×
7.71=______×
(0.95×
2.6×
1.3+7.4×
1.3=(______+______)×
0.67×
41001×
0.64
6.19×
999+6.190.993×
11-0.993
0.8×
0.0250.53×
1.72×
0.021.2×
4.6×
408.1×
1.4+1.9×
9.25=______×
9.8×
9.8+0.199********9999×
9.8=(______+______)×
0.034×
0.83
8.62×
99+8.620.853×
10001-0.853
0.250.33×
6.86×
2002.1×
7.28×
0.041.1×
1.1+8.9×
1.1
5.2×
8=______×
(0.5×
5.6+0.299999999999999×
5.6=(______+______)×
0.163×
899×
0.58
6.26×
999+6.260.618×
1001-0.618
2.8×
250.39×
3.26×
2001.2×
2.75×
405.5×
8.1+4.5×
8.1
6.37=______×
(0.16×
2.3×
8.9+7.7×
8.9=(______+______)×
0.415×
0.0499×
0.59
3.75×
9+3.750.244×
101-0.244
2500.15×
0.85×
22.5×
3.4×
4000.9×
6.1+9.1×
6.1
2.37=______×
(0.56×
4.5×
4.7+5.5×
0.75×
80099×
0.72
3.79×
9999+3.790.591×
101-0.591
250.46×
0.16×
21.5×
1001
8.17×
4006.3×
7.8+3.7×
7.8
6.3×
5.2=______×
(0.74×
7.9+3.7×
7.9=(______+______)×
0.359×
0.00299×
7.58×
99+7.580.326×
1001-0.326
6.8×
0.0250.31×
9.46×
202.3×
9.3+8.3×
9.3