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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
0.5 × 2 × 5.8 = 4 × 0.25 × 6.8 = 9.3 × 2.9 =
(1.3 + 2.9) × 4.5 = 5.0 × 15 = (1.2 + 4.8) × 2.6 =
(2.3 + 1.3) × 5.0 = 2.1 × 4.3 = 1.81 × 8.78 ≈ (保留两位小数)
8 × 6.4 × 0.125 = 3.5 × 22 = 5.8 × 49 =
0.66 × 7.74 ≈ (保留两位小数) (3.7 + 2.6) × 2.9 = (2.9 + 3.4) × 3.9 =
3.89 × 1.09 ≈ (保留两位小数) (3.8 + 4.3) × 4.1 = 8.0 × 6.8 =
2.2 × 3.8 = 5 × 0.2 × 4.5 = 0.125 × 4.8 × 8 =
6.4 × 1.25 × 8 = 3.45 × 2.76 ≈ (保留两位小数) 6.8 × 4 × 0.25 =
8.12 × 6.87 ≈ (保留两位小数) 0.63 × 7.2 ≈ (保留两位小数) (2.0 + 3.1) × 0.6 =
4 × 6.8 × 0.25 = 4.89 × 8.15 ≈ (保留两位小数) 2.13 × 6.64 ≈ (保留两位小数)
2 × 0.5 × 4.6 = 8.3 × 0.7 = 5.4 × 9.3 =
2.5 × 3.6 × 4 = (0.4 + 1.0) × 0.4 = 0.2 × 3.5 × 5 =
9.34 × 8.02 ≈ (保留两位小数) 4.7 × 43 = 9.2 × 8 =
0.25 × 4.78 × 4 = 5.62 × 6.87 ≈ (保留两位小数) 0.4 × 36 =
(2.5 + 2.2) × 4.2 = 9.46 × 8.82 ≈ (保留两位小数) (1.9 + 4.6) × 2.8 =
6.08 × 7.38 ≈ (保留两位小数) (1.2 + 1.8) × 4.9 = 5.7 × 1.3 =
1.9 × 0.3 = (4.1 + 4.4) × 0.2 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
0.5 × 2 × 5.8 = 5.8 4 × 0.25 × 6.8 = 6.8 9.3 × 2.9 = 26.97
(1.3 + 2.9) × 4.5 = 18.9 5.0 × 15 = 75 (1.2 + 4.8) × 2.6 = 15.6
(2.3 + 1.3) × 5.0 = 18 2.1 × 4.3 = 9.03 1.81 × 8.78 ≈ (保留两位小数) 15.89
8 × 6.4 × 0.125 = 6.4 3.5 × 22 = 77 5.8 × 49 = 284.2
0.66 × 7.74 ≈ (保留两位小数) 5.11 (3.7 + 2.6) × 2.9 = 18.27 (2.9 + 3.4) × 3.9 = 24.57
3.89 × 1.09 ≈ (保留两位小数) 4.24 (3.8 + 4.3) × 4.1 = 33.21 8.0 × 6.8 = 54.4
2.2 × 3.8 = 8.36 5 × 0.2 × 4.5 = 4.5 0.125 × 4.8 × 8 = 4.8
6.4 × 1.25 × 8 = 64 3.45 × 2.76 ≈ (保留两位小数) 9.52 6.8 × 4 × 0.25 = 6.8
8.12 × 6.87 ≈ (保留两位小数) 55.78 0.63 × 7.2 ≈ (保留两位小数) 4.54 (2.0 + 3.1) × 0.6 = 3.06
4 × 6.8 × 0.25 = 6.8 4.89 × 8.15 ≈ (保留两位小数) 39.85 2.13 × 6.64 ≈ (保留两位小数) 14.14
2 × 0.5 × 4.6 = 4.6 8.3 × 0.7 = 5.81 5.4 × 9.3 = 50.22
2.5 × 3.6 × 4 = 36 (0.4 + 1.0) × 0.4 = 0.56 0.2 × 3.5 × 5 = 3.5
9.34 × 8.02 ≈ (保留两位小数) 74.91 4.7 × 43 = 202.1 9.2 × 8 = 73.6
0.25 × 4.78 × 4 = 4.78 5.62 × 6.87 ≈ (保留两位小数) 38.61 0.4 × 36 = 14.4
(2.5 + 2.2) × 4.2 = 19.74 9.46 × 8.82 ≈ (保留两位小数) 83.44 (1.9 + 4.6) × 2.8 = 18.2
6.08 × 7.38 ≈ (保留两位小数) 44.87 (1.2 + 1.8) × 4.9 = 14.7 5.7 × 1.3 = 7.41
1.9 × 0.3 = 0.57 (4.1 + 4.4) × 0.2 = 1.7