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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
7.3 × 13 = (0.9 + 4.0) × 0.8 = 7.5 × 13 =
9.96 × 4.48 ≈ (保留两位小数) 7.7 × 1.4 = 3.2 × 8 × 1.25 =
(2.6 + 3.7) × 0.3 = 6.0 × 8.6 = 3.5 × 5 × 0.2 =
4.18 × 9.18 ≈ (保留两位小数) 0.125 × 6.4 × 8 = (0.2 + 3.5) × 4.5 =
7.58 × 9.84 ≈ (保留两位小数) (1.3 + 4.6) × 1.0 = 7.3 × 5.6 =
2.25 × 2.09 ≈ (保留两位小数) 8.5 × 4 = 9.73 × 2.55 ≈ (保留两位小数)
2.5 × 16 = 5.6 × 3.9 = 6.1 × 10 =
7.91 × 0.31 ≈ (保留两位小数) 2.2 × 1.9 = (3.0 + 2.2) × 1.9 =
(4.6 + 3.7) × 1.1 = 4.7 × 5.9 = 6.02 × 0.43 ≈ (保留两位小数)
8 × 0.125 × 6.4 = 6.4 × 1.25 × 8 = 6.32 × 2.47 ≈ (保留两位小数)
3.4 × 8.7 = 1.9 × 9.2 = 8.4 × 4 × 0.25 =
3.2 × 8 × 1.25 = 8.81 × 8.71 ≈ (保留两位小数) 2.8 × 0.9 =
(3.3 + 2.0) × 3.5 = 9.9 × 6.4 = (1.4 + 0.8) × 0.9 =
9.9 × 32 = (2.6 + 0.2) × 1.9 = 1.2 × 37 =
4.1 × 29 = 8.2 × 16 = 5.8 × 9.8 =
8.38 × 5.03 ≈ (保留两位小数) 9.9 × 6.1 = 3.3 × 7.4 =
6.3 × 1.0 = 9.2 × 1.2 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
7.3 × 13 = 94.9 (0.9 + 4.0) × 0.8 = 3.92 7.5 × 13 = 97.5
9.96 × 4.48 ≈ (保留两位小数) 44.62 7.7 × 1.4 = 10.78 3.2 × 8 × 1.25 = 32
(2.6 + 3.7) × 0.3 = 1.89 6.0 × 8.6 = 51.6 3.5 × 5 × 0.2 = 3.5
4.18 × 9.18 ≈ (保留两位小数) 38.37 0.125 × 6.4 × 8 = 6.4 (0.2 + 3.5) × 4.5 = 16.65
7.58 × 9.84 ≈ (保留两位小数) 74.59 (1.3 + 4.6) × 1.0 = 5.9 7.3 × 5.6 = 40.88
2.25 × 2.09 ≈ (保留两位小数) 4.70 8.5 × 4 = 34 9.73 × 2.55 ≈ (保留两位小数) 24.81
2.5 × 16 = 40 5.6 × 3.9 = 21.84 6.1 × 10 = 61
7.91 × 0.31 ≈ (保留两位小数) 2.45 2.2 × 1.9 = 4.18 (3.0 + 2.2) × 1.9 = 9.88
(4.6 + 3.7) × 1.1 = 9.13 4.7 × 5.9 = 27.73 6.02 × 0.43 ≈ (保留两位小数) 2.59
8 × 0.125 × 6.4 = 6.4 6.4 × 1.25 × 8 = 64 6.32 × 2.47 ≈ (保留两位小数) 15.61
3.4 × 8.7 = 29.58 1.9 × 9.2 = 17.48 8.4 × 4 × 0.25 = 8.4
3.2 × 8 × 1.25 = 32 8.81 × 8.71 ≈ (保留两位小数) 76.74 2.8 × 0.9 = 2.52
(3.3 + 2.0) × 3.5 = 18.55 9.9 × 6.4 = 63.36 (1.4 + 0.8) × 0.9 = 1.98
9.9 × 32 = 316.8 (2.6 + 0.2) × 1.9 = 5.32 1.2 × 37 = 44.4
4.1 × 29 = 118.9 8.2 × 16 = 131.2 5.8 × 9.8 = 56.84
8.38 × 5.03 ≈ (保留两位小数) 42.15 9.9 × 6.1 = 60.39 3.3 × 7.4 = 24.42
6.3 × 1.0 = 6.3 9.2 × 1.2 = 11.04