五年级数学上册小数乘法简便计算精选 37Word文档格式.docx
《五年级数学上册小数乘法简便计算精选 37Word文档格式.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精选 37Word文档格式.docx(5页珍藏版)》请在冰豆网上搜索。
9.95×
999+9.950.298×
10001-0.298
8×
2500.42×
999
7.07×
22.3×
1001
0.25×
0.88×
0.41.7×
6.3+8.3×
6.3
1.9×
8.91=______×
0.025×
(0.76×
7.1×
2.9+2.9×
2.9=(______+______)×
0.955×
0.05×
0.299×
7.39×
9+7.390.931×
11-0.931
0.250.88×
1002
5.95×
0.021.4×
104
8.4×
409.8×
2.3+0.199********9999×
2.3
5.1×
8.27=______×
(0.33×
4)=(______×
4.3×
8.8+5.7×
8.8=(______+______)×
0.014×
1.25×
0.0899×
0.61
9.59×
999+9.590.194×
1001-0.194
7.6×
2500.72×
998
2.8×
2001.5×
0.55×
4004.5×
2.2+5.5×
2.2
3×
1.43=______×
(0.8×
4.7×
9.2+5.3×
9.2=(______+______)×
0.751×
0.125×
800999×
0.29
6.26×
999+6.260.646×
10001-0.646
3.2×
2.50.51×
101
4.14×
2002.5×
0.21×
0.044.8×
7.8+5.2×
7.8
9×
8.85=______×
(0.18×
7.4×
6.9+2.6×
6.9=(______+______)×
0.508×
0.899×
0.14
7.52×
99+7.520.531×
10001-0.531
2500.19×
7.75×
0.21.3×
1003
3.8×
40.1×
7.9+9.9×
7.9
5.7×
8.21=______×
(0.24×
0.4)=(______×
7.2×
7.2+2.8×
7.2=(______+______)×
0.734×
800101×
0.71
8.56×
99+8.560.785×
11-0.785
1.6×
250.59×
2.7×
22.1×
103
0.42×
4001.6×
5.8+8.4×
5.8
6.5×
5.5=______×
(0.82×
5.3×
1.3+4.7×
1.3=(______+______)×
0.74×
4101×
0.73
3.11×
999+3.110.645×
101-0.645
4×
0.250.69×
4.61×
0.22.3×
7.15×
0.047.6×
4.2+2.4×
4.2
5.5×
9.45=______×
25×
(0.86×
2.1×
2.8+7.9×
2.8=(______+______)×
0.172×
0.4101×
0.79
9.47×
9+9.470.342×
1001-0.342
5.6×
0.250.21×
9.62×
21.3×
0.6×
0.041.7×
1.2+8.3×
1.2