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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
(4.4 + 0.8) × 1.7 = 4 × 6.8 × 0.25 = 0.5 × 2 × 5.8 =
(3.7 + 4.6) × 3.9 = 0.2 × 14 = 2.5 × 1.6 × 4 =
9.68 × 5.08 ≈ (保留两位小数) (4.5 + 0.3) × 1.0 = 0.59 × 4.53 ≈ (保留两位小数)
7.3 × 1.7 = 6.41 × 3.42 ≈ (保留两位小数) 3.26 × 1.42 ≈ (保留两位小数)
7.5 × 5.8 = 4.9 × 3.4 = 8.57 × 7.53 ≈ (保留两位小数)
6.4 × 8 × 1.25 = 6.02 × 5.37 ≈ (保留两位小数) 2.9 × 3 =
2.3 × 2.9 = 4.1 × 6.3 = 4 × 4.78 × 0.25 =
0.41 × 7.2 ≈ (保留两位小数) 0.2 × 5 × 3.5 = 8.8 × 3.0 =
2.9 × 4.5 = 7.04 × 7.86 ≈ (保留两位小数) 3.0 × 7.4 =
0.25 × 6.8 × 4 = 2.7 × 0.9 = (2.5 + 2.1) × 2.3 =
9.0 × 5.1 = 5.0 × 9.0 = 4.6 × 26 =
5.78 × 6.28 ≈ (保留两位小数) (1.2 + 2.4) × 1.9 = 0.8 × 6.6 =
0.4 × 4.2 = 7.1 × 6.9 = (1.8 + 0.3) × 0.8 =
4 × 3.6 × 2.5 = (4.9 + 0.6) × 4.3 = 8 × 1.25 × 6.4 =
6.8 × 0.1 = (4.8 + 0.3) × 3.9 = (2.9 + 4.5) × 1.5 =
(2.1 + 2.7) × 1.9 = 4.9 × 0.1 = 5.0 × 2.3 =
1.4 × 0.7 = 9.6 × 5.7 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
(4.4 + 0.8) × 1.7 = 8.84 4 × 6.8 × 0.25 = 6.8 0.5 × 2 × 5.8 = 5.8
(3.7 + 4.6) × 3.9 = 32.37 0.2 × 14 = 2.8 2.5 × 1.6 × 4 = 16
9.68 × 5.08 ≈ (保留两位小数) 49.17 (4.5 + 0.3) × 1.0 = 4.8 0.59 × 4.53 ≈ (保留两位小数) 2.67
7.3 × 1.7 = 12.41 6.41 × 3.42 ≈ (保留两位小数) 21.92 3.26 × 1.42 ≈ (保留两位小数) 4.63
7.5 × 5.8 = 43.5 4.9 × 3.4 = 16.66 8.57 × 7.53 ≈ (保留两位小数) 64.53
6.4 × 8 × 1.25 = 64 6.02 × 5.37 ≈ (保留两位小数) 32.33 2.9 × 3 = 8.7
2.3 × 2.9 = 6.67 4.1 × 6.3 = 25.83 4 × 4.78 × 0.25 = 4.78
0.41 × 7.2 ≈ (保留两位小数) 2.95 0.2 × 5 × 3.5 = 3.5 8.8 × 3.0 = 26.4
2.9 × 4.5 = 13.05 7.04 × 7.86 ≈ (保留两位小数) 55.33 3.0 × 7.4 = 22.2
0.25 × 6.8 × 4 = 6.8 2.7 × 0.9 = 2.43 (2.5 + 2.1) × 2.3 = 10.58
9.0 × 5.1 = 45.9 5.0 × 9.0 = 45 4.6 × 26 = 119.6
5.78 × 6.28 ≈ (保留两位小数) 36.30 (1.2 + 2.4) × 1.9 = 6.84 0.8 × 6.6 = 5.28
0.4 × 4.2 = 1.68 7.1 × 6.9 = 48.99 (1.8 + 0.3) × 0.8 = 1.68
4 × 3.6 × 2.5 = 36 (4.9 + 0.6) × 4.3 = 23.65 8 × 1.25 × 6.4 = 64
6.8 × 0.1 = 0.68 (4.8 + 0.3) × 3.9 = 19.89 (2.9 + 4.5) × 1.5 = 11.1
(2.1 + 2.7) × 1.9 = 9.12 4.9 × 0.1 = 0.49 5.0 × 2.3 = 11.5
1.4 × 0.7 = 0.98 9.6 × 5.7 = 54.72