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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
8.7 × 7.0 = 2.7 × 4.4 = 4.6 × 8.6 =
8.0 × 7.4 = (0.3 + 2.6) × 4.4 = 1.4 × 2 =
9.1 × 8.8 = 9.0 × 34 = 0.5 × 27 =
5.81 × 7.48 ≈ (保留两位小数) (1.2 + 2.1) × 2.0 = 3.7 × 7.9 =
2.5 × 4 × 3.6 = (0.5 + 3.6) × 3.3 = 5.69 × 4.25 ≈ (保留两位小数)
0.23 × 5.91 ≈ (保留两位小数) (4.2 + 2.6) × 0.5 = 8 × 1.25 × 3.2 =
2.13 × 7.51 ≈ (保留两位小数) 3.7 × 9.78 ≈ (保留两位小数) 6.4 × 8 × 0.125 =
3.4 × 1.0 = 4 × 2.5 × 1.6 = 1.6 × 4 × 2.5 =
8.41 × 5.96 ≈ (保留两位小数) (1.4 + 2.6) × 1.6 = 4.6 × 2 × 0.5 =
8.8 × 7.04 ≈ (保留两位小数) 3.1 × 1.1 = 5.4 × 4.2 =
6.59 × 6.8 ≈ (保留两位小数) 2.8 × 1.2 = 3.8 × 33 =
2.3 × 2.0 = 4.57 × 2.29 ≈ (保留两位小数) 5.09 × 5.74 ≈ (保留两位小数)
(1.5 + 2.4) × 0.7 = 8.3 × 4.8 = 3.8 × 42 =
5.3 × 2.5 = 0.25 × 4 × 4.78 = 0.5 × 2 × 5.8 =
0.2 × 5 × 3.5 = (2.5 + 3.1) × 2.1 = 4 × 0.25 × 6.8 =
3.6 × 2 × 0.5 = 5.2 × 6.4 = (4.0 + 2.3) × 0.7 =
4.9 × 3.6 = 4.3 × 7.2 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
8.7 × 7.0 = 60.9 2.7 × 4.4 = 11.88 4.6 × 8.6 = 39.56
8.0 × 7.4 = 59.2 (0.3 + 2.6) × 4.4 = 12.76 1.4 × 2 = 2.8
9.1 × 8.8 = 80.08 9.0 × 34 = 306 0.5 × 27 = 13.5
5.81 × 7.48 ≈ (保留两位小数) 43.46 (1.2 + 2.1) × 2.0 = 6.6 3.7 × 7.9 = 29.23
2.5 × 4 × 3.6 = 36 (0.5 + 3.6) × 3.3 = 13.53 5.69 × 4.25 ≈ (保留两位小数) 24.18
0.23 × 5.91 ≈ (保留两位小数) 1.36 (4.2 + 2.6) × 0.5 = 3.4 8 × 1.25 × 3.2 = 32
2.13 × 7.51 ≈ (保留两位小数) 16.00 3.7 × 9.78 ≈ (保留两位小数) 36.19 6.4 × 8 × 0.125 = 6.4
3.4 × 1.0 = 3.4 4 × 2.5 × 1.6 = 16 1.6 × 4 × 2.5 = 16
8.41 × 5.96 ≈ (保留两位小数) 50.12 (1.4 + 2.6) × 1.6 = 6.4 4.6 × 2 × 0.5 = 4.6
8.8 × 7.04 ≈ (保留两位小数) 61.95 3.1 × 1.1 = 3.41 5.4 × 4.2 = 22.68
6.59 × 6.8 ≈ (保留两位小数) 44.81 2.8 × 1.2 = 3.36 3.8 × 33 = 125.4
2.3 × 2.0 = 4.6 4.57 × 2.29 ≈ (保留两位小数) 10.47 5.09 × 5.74 ≈ (保留两位小数) 29.22
(1.5 + 2.4) × 0.7 = 2.73 8.3 × 4.8 = 39.84 3.8 × 42 = 159.6
5.3 × 2.5 = 13.25 0.25 × 4 × 4.78 = 4.78 0.5 × 2 × 5.8 = 5.8
0.2 × 5 × 3.5 = 3.5 (2.5 + 3.1) × 2.1 = 11.76 4 × 0.25 × 6.8 = 6.8
3.6 × 2 × 0.5 = 3.6 5.2 × 6.4 = 33.28 (4.0 + 2.3) × 0.7 = 4.41
4.9 × 3.6 = 17.64 4.3 × 7.2 = 30.96