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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
0.125 × 6.4 × 8 = 1.25 × 8 × 7.2 = 8.6 × 7.3 =
3.6 × 41 = 1.4 × 33 = 2.5 × 3.6 × 4 =
6.4 × 8 × 0.125 = 1.7 × 8.4 = 8.9 × 7.9 =
3.2 × 46 = 6.7 × 33 = 1.07 × 5.72 ≈ (保留两位小数)
5.16 × 8.04 ≈ (保留两位小数) 4.1 × 9.5 = (2.6 + 3.0) × 1.7 =
8.0 × 5.8 = 5.4 × 4.5 = 0.53 × 0.8 ≈ (保留两位小数)
4.1 × 16 = 1.1 × 11 = 2 × 5.8 × 0.5 =
4.4 × 19 = 6.19 × 2.65 ≈ (保留两位小数) (4.8 + 3.7) × 0.3 =
0.125 × 8 × 4.8 = (3.4 + 0.4) × 0.4 = 4.9 × 11 =
9.9 × 9.9 = 7.03 × 5.65 ≈ (保留两位小数) 2 × 0.5 × 3.6 =
6.11 × 8.52 ≈ (保留两位小数) 5.5 × 33 = 3.6 × 2.5 × 4 =
0.7 × 7.5 = (1.3 + 0.2) × 3.8 = 7.2 × 8 × 1.25 =
1.6 × 9.4 = (3.8 + 4.0) × 4.1 = 3.6 × 2 × 0.5 =
(3.2 + 3.0) × 1.0 = (2.8 + 3.2) × 4.6 = 7.5 × 35 =
6.8 × 4 × 0.25 = 5.53 × 9.46 ≈ (保留两位小数) 1.0 × 9 =
(1.8 + 2.4) × 1.6 = (4.2 + 2.8) × 3.0 = 0.2 × 4.5 × 5 =
3.8 × 0.4 = 2 × 5.8 × 0.5 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
0.125 × 6.4 × 8 = 6.4 1.25 × 8 × 7.2 = 72 8.6 × 7.3 = 62.78
3.6 × 41 = 147.6 1.4 × 33 = 46.2 2.5 × 3.6 × 4 = 36
6.4 × 8 × 0.125 = 6.4 1.7 × 8.4 = 14.28 8.9 × 7.9 = 70.31
3.2 × 46 = 147.2 6.7 × 33 = 221.1 1.07 × 5.72 ≈ (保留两位小数) 6.12
5.16 × 8.04 ≈ (保留两位小数) 41.49 4.1 × 9.5 = 38.95 (2.6 + 3.0) × 1.7 = 9.52
8.0 × 5.8 = 46.4 5.4 × 4.5 = 24.3 0.53 × 0.8 ≈ (保留两位小数) 0.42
4.1 × 16 = 65.6 1.1 × 11 = 12.1 2 × 5.8 × 0.5 = 5.8
4.4 × 19 = 83.6 6.19 × 2.65 ≈ (保留两位小数) 16.40 (4.8 + 3.7) × 0.3 = 2.55
0.125 × 8 × 4.8 = 4.8 (3.4 + 0.4) × 0.4 = 1.52 4.9 × 11 = 53.9
9.9 × 9.9 = 98.01 7.03 × 5.65 ≈ (保留两位小数) 39.72 2 × 0.5 × 3.6 = 3.6
6.11 × 8.52 ≈ (保留两位小数) 52.06 5.5 × 33 = 181.5 3.6 × 2.5 × 4 = 36
0.7 × 7.5 = 5.25 (1.3 + 0.2) × 3.8 = 5.7 7.2 × 8 × 1.25 = 72
1.6 × 9.4 = 15.04 (3.8 + 4.0) × 4.1 = 31.98 3.6 × 2 × 0.5 = 3.6
(3.2 + 3.0) × 1.0 = 6.2 (2.8 + 3.2) × 4.6 = 27.6 7.5 × 35 = 262.5
6.8 × 4 × 0.25 = 6.8 5.53 × 9.46 ≈ (保留两位小数) 52.31 1.0 × 9 = 9
(1.8 + 2.4) × 1.6 = 6.72 (4.2 + 2.8) × 3.0 = 21 0.2 × 4.5 × 5 = 4.5
3.8 × 0.4 = 1.52 2 × 5.8 × 0.5 = 5.8