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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
8 × 6.4 × 0.125 = 8.5 × 50 = 5.2 × 3.0 =
4.37 × 2.75 ≈ (保留两位小数) 8.8 × 0.6 = (1.4 + 1.7) × 4.7 =
0.4 × 3.4 = 6.1 × 1.5 = 5.3 × 48 =
4.7 × 1.0 = 8.74 × 5.55 ≈ (保留两位小数) 6.81 × 3.8 ≈ (保留两位小数)
3.8 × 6.08 ≈ (保留两位小数) 2.5 × 4 × 1.6 = 9.0 × 5.2 =
0.125 × 6.4 × 8 = 5.5 × 7.7 = 0.88 × 9.73 ≈ (保留两位小数)
(4.6 + 2.8) × 4.0 = 6.0 × 40 = (4.9 + 3.2) × 0.2 =
6.4 × 1.25 × 8 = 4.6 × 0.5 × 2 = 0.3 × 4.9 =
6.5 × 28 = 2.89 × 5.03 ≈ (保留两位小数) 5.6 × 24 =
1.1 × 39 = 5.34 × 1.47 ≈ (保留两位小数) 8.6 × 6.7 =
5.0 × 39 = 4.96 × 1.57 ≈ (保留两位小数) 8 × 3.2 × 1.25 =
2.5 × 4 × 1.6 = 4.1 × 19 = 2.8 × 4.8 =
9.7 × 4.3 = 1.75 × 6.27 ≈ (保留两位小数) 3.5 × 0.2 × 5 =
0.8 × 6.8 = 4 × 6.8 × 0.25 = (3.2 + 0.1) × 1.2 =
3.6 × 2 × 0.5 = 5.4 × 6.91 ≈ (保留两位小数) 5.8 × 6.1 =
6.9 × 0.6 = 6.2 × 6.2 = 7.6 × 3.5 =
3.5 × 15 = 9.7 × 50 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
8 × 6.4 × 0.125 = 6.4 8.5 × 50 = 425 5.2 × 3.0 = 15.6
4.37 × 2.75 ≈ (保留两位小数) 12.02 8.8 × 0.6 = 5.28 (1.4 + 1.7) × 4.7 = 14.57
0.4 × 3.4 = 1.36 6.1 × 1.5 = 9.15 5.3 × 48 = 254.4
4.7 × 1.0 = 4.7 8.74 × 5.55 ≈ (保留两位小数) 48.51 6.81 × 3.8 ≈ (保留两位小数) 25.88
3.8 × 6.08 ≈ (保留两位小数) 23.10 2.5 × 4 × 1.6 = 16 9.0 × 5.2 = 46.8
0.125 × 6.4 × 8 = 6.4 5.5 × 7.7 = 42.35 0.88 × 9.73 ≈ (保留两位小数) 8.56
(4.6 + 2.8) × 4.0 = 29.6 6.0 × 40 = 240 (4.9 + 3.2) × 0.2 = 1.62
6.4 × 1.25 × 8 = 64 4.6 × 0.5 × 2 = 4.6 0.3 × 4.9 = 1.47
6.5 × 28 = 182 2.89 × 5.03 ≈ (保留两位小数) 14.54 5.6 × 24 = 134.4
1.1 × 39 = 42.9 5.34 × 1.47 ≈ (保留两位小数) 7.85 8.6 × 6.7 = 57.62
5.0 × 39 = 195 4.96 × 1.57 ≈ (保留两位小数) 7.79 8 × 3.2 × 1.25 = 32
2.5 × 4 × 1.6 = 16 4.1 × 19 = 77.9 2.8 × 4.8 = 13.44
9.7 × 4.3 = 41.71 1.75 × 6.27 ≈ (保留两位小数) 10.97 3.5 × 0.2 × 5 = 3.5
0.8 × 6.8 = 5.44 4 × 6.8 × 0.25 = 6.8 (3.2 + 0.1) × 1.2 = 3.96
3.6 × 2 × 0.5 = 3.6 5.4 × 6.91 ≈ (保留两位小数) 37.31 5.8 × 6.1 = 35.38
6.9 × 0.6 = 4.14 6.2 × 6.2 = 38.44 7.6 × 3.5 = 26.6
3.5 × 15 = 52.5 9.7 × 50 = 485