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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
0.5 × 4.6 × 2 = 3.5 × 0.2 × 5 = 8 × 6.4 × 0.125 =
2.8 × 23 = 3.7 × 28 = 8.2 × 5.5 =
1.3 × 12 = 0.82 × 1.65 ≈ (保留两位小数) 4.3 × 3.4 =
6.57 × 2.91 ≈ (保留两位小数) 4.21 × 7.74 ≈ (保留两位小数) (0.7 + 4.8) × 0.1 =
6.77 × 1.6 ≈ (保留两位小数) 6.79 × 5.87 ≈ (保留两位小数) (2.7 + 0.6) × 1.5 =
0.4 × 4.2 = 0.2 × 26 = 6.0 × 6.0 =
(0.4 + 1.9) × 0.4 = 6.6 × 38 = (4.9 + 1.6) × 4.8 =
(1.4 + 0.2) × 4.9 = 3.6 × 2.5 × 4 = 2.3 × 50 =
0.5 × 2 × 4.6 = 0.6 × 5.8 = 0.2 × 3.5 × 5 =
3.5 × 46 = 0.6 × 13 = 6.6 × 13 =
4.4 × 23 = 7.75 × 2.09 ≈ (保留两位小数) (2.8 + 3.1) × 3.8 =
7.7 × 13 = 0.13 × 5.69 ≈ (保留两位小数) 0.5 × 5.8 × 2 =
3.6 × 1.0 = 7.53 × 1.17 ≈ (保留两位小数) 2.5 × 4 × 3.6 =
5.39 × 7.05 ≈ (保留两位小数) 8.0 × 3 = 4.6 × 2 × 0.5 =
(0.9 + 2.9) × 2.7 = 4 × 4.78 × 0.25 = (2.4 + 1.8) × 0.4 =
8.7 × 6.3 = (4.3 + 4.1) × 2.2 = 3.5 × 39 =
0.2 × 1.2 = 6.2 × 7.6 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
0.5 × 4.6 × 2 = 4.6 3.5 × 0.2 × 5 = 3.5 8 × 6.4 × 0.125 = 6.4
2.8 × 23 = 64.4 3.7 × 28 = 103.6 8.2 × 5.5 = 45.1
1.3 × 12 = 15.6 0.82 × 1.65 ≈ (保留两位小数) 1.35 4.3 × 3.4 = 14.62
6.57 × 2.91 ≈ (保留两位小数) 19.12 4.21 × 7.74 ≈ (保留两位小数) 32.59 (0.7 + 4.8) × 0.1 = 0.55
6.77 × 1.6 ≈ (保留两位小数) 10.83 6.79 × 5.87 ≈ (保留两位小数) 39.86 (2.7 + 0.6) × 1.5 = 4.95
0.4 × 4.2 = 1.68 0.2 × 26 = 5.2 6.0 × 6.0 = 36
(0.4 + 1.9) × 0.4 = 0.92 6.6 × 38 = 250.8 (4.9 + 1.6) × 4.8 = 31.2
(1.4 + 0.2) × 4.9 = 7.84 3.6 × 2.5 × 4 = 36 2.3 × 50 = 115
0.5 × 2 × 4.6 = 4.6 0.6 × 5.8 = 3.48 0.2 × 3.5 × 5 = 3.5
3.5 × 46 = 161 0.6 × 13 = 7.8 6.6 × 13 = 85.8
4.4 × 23 = 101.2 7.75 × 2.09 ≈ (保留两位小数) 16.20 (2.8 + 3.1) × 3.8 = 22.42
7.7 × 13 = 100.1 0.13 × 5.69 ≈ (保留两位小数) 0.74 0.5 × 5.8 × 2 = 5.8
3.6 × 1.0 = 3.6 7.53 × 1.17 ≈ (保留两位小数) 8.81 2.5 × 4 × 3.6 = 36
5.39 × 7.05 ≈ (保留两位小数) 38.00 8.0 × 3 = 24 4.6 × 2 × 0.5 = 4.6
(0.9 + 2.9) × 2.7 = 10.26 4 × 4.78 × 0.25 = 4.78 (2.4 + 1.8) × 0.4 = 1.68
8.7 × 6.3 = 54.81 (4.3 + 4.1) × 2.2 = 18.48 3.5 × 39 = 136.5
0.2 × 1.2 = 0.24 6.2 × 7.6 = 47.12