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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
(4.1 + 4.8) × 4.8 = 0.7 × 0.2 = 2.5 × 4 × 1.6 =
4.7 × 2.3 = 2.0 × 6.1 = 4.3 × 2 =
7.9 × 4.3 = (1.1 + 3.4) × 0.3 = (3.3 + 1.3) × 4.2 =
3.6 × 2 × 0.5 = 2.47 × 6.59 ≈ (保留两位小数) 3.7 × 4.7 =
9.36 × 2.53 ≈ (保留两位小数) (3.2 + 3.1) × 1.3 = 0.25 × 4.78 × 4 =
3.3 × 8.5 = 4.5 × 4.5 = 9.5 × 1.3 =
(3.8 + 0.1) × 3.0 = 9.2 × 9.8 = 2.5 × 6 =
5.6 × 25 = 4.0 × 22 = 5.8 × 41 =
4 × 6.8 × 0.25 = 3.2 × 8 × 1.25 = 0.1 × 3 =
8.0 × 49 = 7.2 × 38 = 1.0 × 4.3 =
8 × 1.25 × 7.2 = 2.5 × 1.6 × 4 = 8.4 × 5.3 =
8.6 × 9 = 0.2 × 3.5 × 5 = (0.9 + 4.5) × 1.6 =
4.9 × 22 = 6.7 × 1.9 = 3.6 × 2.5 × 4 =
8 × 0.125 × 4.8 = (0.5 + 4.2) × 1.4 = 7.2 × 1.25 × 8 =
3.7 × 3.0 = 8.7 × 6.3 = 0.5 × 4.6 × 2 =
4.5 × 0.2 × 5 = 3.18 × 1.97 ≈ (保留两位小数) 1.4 × 8.3 =
2.2 × 42 = (0.4 + 2.8) × 3.2 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
(4.1 + 4.8) × 4.8 = 42.72 0.7 × 0.2 = 0.14 2.5 × 4 × 1.6 = 16
4.7 × 2.3 = 10.81 2.0 × 6.1 = 12.2 4.3 × 2 = 8.6
7.9 × 4.3 = 33.97 (1.1 + 3.4) × 0.3 = 1.35 (3.3 + 1.3) × 4.2 = 19.32
3.6 × 2 × 0.5 = 3.6 2.47 × 6.59 ≈ (保留两位小数) 16.28 3.7 × 4.7 = 17.39
9.36 × 2.53 ≈ (保留两位小数) 23.68 (3.2 + 3.1) × 1.3 = 8.19 0.25 × 4.78 × 4 = 4.78
3.3 × 8.5 = 28.05 4.5 × 4.5 = 20.25 9.5 × 1.3 = 12.35
(3.8 + 0.1) × 3.0 = 11.7 9.2 × 9.8 = 90.16 2.5 × 6 = 15
5.6 × 25 = 140 4.0 × 22 = 88 5.8 × 41 = 237.8
4 × 6.8 × 0.25 = 6.8 3.2 × 8 × 1.25 = 32 0.1 × 3 = 0.3
8.0 × 49 = 392 7.2 × 38 = 273.6 1.0 × 4.3 = 4.3
8 × 1.25 × 7.2 = 72 2.5 × 1.6 × 4 = 16 8.4 × 5.3 = 44.52
8.6 × 9 = 77.4 0.2 × 3.5 × 5 = 3.5 (0.9 + 4.5) × 1.6 = 8.64
4.9 × 22 = 107.8 6.7 × 1.9 = 12.73 3.6 × 2.5 × 4 = 36
8 × 0.125 × 4.8 = 4.8 (0.5 + 4.2) × 1.4 = 6.58 7.2 × 1.25 × 8 = 72
3.7 × 3.0 = 11.1 8.7 × 6.3 = 54.81 0.5 × 4.6 × 2 = 4.6
4.5 × 0.2 × 5 = 4.5 3.18 × 1.97 ≈ (保留两位小数) 6.26 1.4 × 8.3 = 11.62
2.2 × 42 = 92.4 (0.4 + 2.8) × 3.2 = 10.24