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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
4 × 0.25 × 4.78 = (0.9 + 1.6) × 1.7 = (4.2 + 4.0) × 4.9 =
5 × 3.5 × 0.2 = 6.0 × 25 = 4 × 2.5 × 3.6 =
8.3 × 5.13 ≈ (保留两位小数) 4.9 × 11 = 2.8 × 48 =
3.8 × 42 = 9.3 × 0.6 = 5.3 × 8.3 =
7.13 × 6.39 ≈ (保留两位小数) 3.6 × 4.0 = (4.3 + 4.1) × 4.7 =
8.7 × 7 = 9.72 × 3.21 ≈ (保留两位小数) 5.5 × 4.9 =
(2.5 + 0.4) × 3.3 = 0.125 × 6.4 × 8 = 8.11 × 5.6 ≈ (保留两位小数)
7.65 × 3.62 ≈ (保留两位小数) 9.2 × 26 = 3.84 × 0.6 ≈ (保留两位小数)
4 × 0.25 × 4.78 = 1.6 × 4.9 = 9.5 × 1.2 =
(1.0 + 2.3) × 2.4 = 8.2 × 9.4 = (3.6 + 2.9) × 3.7 =
8.0 × 6.85 ≈ (保留两位小数) (1.0 + 2.3) × 2.9 = 8.4 × 0.25 × 4 =
6.6 × 11 = 5.92 × 6.31 ≈ (保留两位小数) 1.27 × 6.88 ≈ (保留两位小数)
1.09 × 2.38 ≈ (保留两位小数) 8.6 × 1.4 = 8.29 × 2.11 ≈ (保留两位小数)
6.5 × 2.9 = 2.53 × 7.28 ≈ (保留两位小数) 6.5 × 41 =
2.7 × 29 = 0.4 × 17 = (0.8 + 1.3) × 1.1 =
1.9 × 2.1 = 8.0 × 34 = 1.12 × 1.57 ≈ (保留两位小数)
3.6 × 0.5 × 2 = 8.4 × 5.4 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
4 × 0.25 × 4.78 = 4.78 (0.9 + 1.6) × 1.7 = 4.25 (4.2 + 4.0) × 4.9 = 40.18
5 × 3.5 × 0.2 = 3.5 6.0 × 25 = 150 4 × 2.5 × 3.6 = 36
8.3 × 5.13 ≈ (保留两位小数) 42.58 4.9 × 11 = 53.9 2.8 × 48 = 134.4
3.8 × 42 = 159.6 9.3 × 0.6 = 5.58 5.3 × 8.3 = 43.99
7.13 × 6.39 ≈ (保留两位小数) 45.56 3.6 × 4.0 = 14.4 (4.3 + 4.1) × 4.7 = 39.48
8.7 × 7 = 60.9 9.72 × 3.21 ≈ (保留两位小数) 31.20 5.5 × 4.9 = 26.95
(2.5 + 0.4) × 3.3 = 9.57 0.125 × 6.4 × 8 = 6.4 8.11 × 5.6 ≈ (保留两位小数) 45.42
7.65 × 3.62 ≈ (保留两位小数) 27.69 9.2 × 26 = 239.2 3.84 × 0.6 ≈ (保留两位小数) 2.30
4 × 0.25 × 4.78 = 4.78 1.6 × 4.9 = 7.84 9.5 × 1.2 = 11.4
(1.0 + 2.3) × 2.4 = 7.92 8.2 × 9.4 = 77.08 (3.6 + 2.9) × 3.7 = 24.05
8.0 × 6.85 ≈ (保留两位小数) 54.80 (1.0 + 2.3) × 2.9 = 9.57 8.4 × 0.25 × 4 = 8.4
6.6 × 11 = 72.6 5.92 × 6.31 ≈ (保留两位小数) 37.36 1.27 × 6.88 ≈ (保留两位小数) 8.74
1.09 × 2.38 ≈ (保留两位小数) 2.59 8.6 × 1.4 = 12.04 8.29 × 2.11 ≈ (保留两位小数) 17.49
6.5 × 2.9 = 18.85 2.53 × 7.28 ≈ (保留两位小数) 18.42 6.5 × 41 = 266.5
2.7 × 29 = 78.3 0.4 × 17 = 6.8 (0.8 + 1.3) × 1.1 = 2.31
1.9 × 2.1 = 3.99 8.0 × 34 = 272 1.12 × 1.57 ≈ (保留两位小数) 1.76
3.6 × 0.5 × 2 = 3.6 8.4 × 5.4 = 45.36