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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
(3.2 + 2.9) × 1.2 = 4.7 × 8.9 = (2.2 + 2.9) × 1.0 =
7.71 × 2.63 ≈ (保留两位小数) 6.4 × 2.2 = 9.5 × 42 =
5.8 × 0.5 × 2 = 2.5 × 6.1 = 8.5 × 44 =
9.33 × 6.2 ≈ (保留两位小数) 0.9 × 19 = 4.9 × 42 =
6.4 × 8 × 0.125 = 5.7 × 22 = 3.2 × 2.9 =
7.0 × 46 = 8.8 × 0.6 = 6.7 × 5.0 =
8 × 0.125 × 6.4 = 2.5 × 3.6 × 4 = 4 × 3.6 × 2.5 =
8 × 1.25 × 6.4 = 0.89 × 4.81 ≈ (保留两位小数) 3.06 × 0.73 ≈ (保留两位小数)
(4.3 + 3.0) × 3.6 = 2.7 × 5.19 ≈ (保留两位小数) (1.7 + 4.2) × 0.6 =
5.2 × 2.7 = 3.75 × 5.86 ≈ (保留两位小数) 2.8 × 0.97 ≈ (保留两位小数)
6.53 × 0.38 ≈ (保留两位小数) 6.69 × 9.17 ≈ (保留两位小数) 3.4 × 13 =
7.4 × 16 = 1.53 × 5.39 ≈ (保留两位小数) 4.8 × 8.1 =
0.5 × 40 = (1.4 + 1.2) × 2.3 = (4.5 + 4.4) × 3.4 =
4.54 × 4.34 ≈ (保留两位小数) 0.1 × 14 = (3.5 + 0.5) × 1.0 =
(1.0 + 4.2) × 2.7 = 5.9 × 9.2 = 9.3 × 20 =
1.8 × 1.9 = 8 × 0.125 × 4.8 = (2.8 + 1.3) × 0.6 =
7.97 × 6.82 ≈ (保留两位小数) 9.9 × 29 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
(3.2 + 2.9) × 1.2 = 7.32 4.7 × 8.9 = 41.83 (2.2 + 2.9) × 1.0 = 5.1
7.71 × 2.63 ≈ (保留两位小数) 20.28 6.4 × 2.2 = 14.08 9.5 × 42 = 399
5.8 × 0.5 × 2 = 5.8 2.5 × 6.1 = 15.25 8.5 × 44 = 374
9.33 × 6.2 ≈ (保留两位小数) 57.85 0.9 × 19 = 17.1 4.9 × 42 = 205.8
6.4 × 8 × 0.125 = 6.4 5.7 × 22 = 125.4 3.2 × 2.9 = 9.28
7.0 × 46 = 322 8.8 × 0.6 = 5.28 6.7 × 5.0 = 33.5
8 × 0.125 × 6.4 = 6.4 2.5 × 3.6 × 4 = 36 4 × 3.6 × 2.5 = 36
8 × 1.25 × 6.4 = 64 0.89 × 4.81 ≈ (保留两位小数) 4.28 3.06 × 0.73 ≈ (保留两位小数) 2.23
(4.3 + 3.0) × 3.6 = 26.28 2.7 × 5.19 ≈ (保留两位小数) 14.01 (1.7 + 4.2) × 0.6 = 3.54
5.2 × 2.7 = 14.04 3.75 × 5.86 ≈ (保留两位小数) 21.98 2.8 × 0.97 ≈ (保留两位小数) 2.72
6.53 × 0.38 ≈ (保留两位小数) 2.48 6.69 × 9.17 ≈ (保留两位小数) 61.35 3.4 × 13 = 44.2
7.4 × 16 = 118.4 1.53 × 5.39 ≈ (保留两位小数) 8.25 4.8 × 8.1 = 38.88
0.5 × 40 = 20 (1.4 + 1.2) × 2.3 = 5.98 (4.5 + 4.4) × 3.4 = 30.26
4.54 × 4.34 ≈ (保留两位小数) 19.70 0.1 × 14 = 1.4 (3.5 + 0.5) × 1.0 = 4
(1.0 + 4.2) × 2.7 = 14.04 5.9 × 9.2 = 54.28 9.3 × 20 = 186
1.8 × 1.9 = 3.42 8 × 0.125 × 4.8 = 4.8 (2.8 + 1.3) × 0.6 = 2.46
7.97 × 6.82 ≈ (保留两位小数) 54.36 9.9 × 29 = 287.1