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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
8.6 × 7.7 = 1.4 × 2.6 = 1.87 × 9.27 ≈ (保留两位小数)
0.125 × 8 × 6.4 = 0.5 × 3.6 × 2 = (4.4 + 2.9) × 1.3 =
6.97 × 5.45 ≈ (保留两位小数) 3.4 × 0.3 = (0.8 + 3.5) × 3.7 =
3.6 × 2 × 0.5 = 5.4 × 2.3 = 8 × 1.25 × 6.4 =
6.6 × 3.6 = 8.4 × 4 × 0.25 = 2.5 × 3 =
4.0 × 8.6 = 5.73 × 0.11 ≈ (保留两位小数) (4.8 + 4.8) × 3.0 =
6.7 × 9 = 6.2 × 5.2 = 9.6 × 9.1 =
6.86 × 6.49 ≈ (保留两位小数) 2.0 × 7.1 = 5.6 × 9 =
8.4 × 0.25 × 4 = 7.4 × 2.9 = 6.8 × 0.25 × 4 =
(3.5 + 2.1) × 4.0 = 2.1 × 3.9 = 4 × 1.6 × 2.5 =
(4.9 + 0.8) × 1.5 = 3.5 × 5 × 0.2 = (2.2 + 2.6) × 3.1 =
2 × 5.8 × 0.5 = (0.2 + 2.2) × 0.2 = (1.7 + 2.3) × 0.3 =
7.75 × 9.78 ≈ (保留两位小数) 6.03 × 2.09 ≈ (保留两位小数) 4 × 8.4 × 0.25 =
5.8 × 0.5 × 2 = 9.6 × 8.4 = 5.8 × 22 =
5.1 × 5.8 = 6.9 × 28 = 0.5 × 2 × 5.8 =
7.5 × 7.8 = 8.4 × 0.25 × 4 = 5.6 × 27 =
8 × 6.4 × 1.25 = 7.2 × 50 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
8.6 × 7.7 = 66.22 1.4 × 2.6 = 3.64 1.87 × 9.27 ≈ (保留两位小数) 17.33
0.125 × 8 × 6.4 = 6.4 0.5 × 3.6 × 2 = 3.6 (4.4 + 2.9) × 1.3 = 9.49
6.97 × 5.45 ≈ (保留两位小数) 37.99 3.4 × 0.3 = 1.02 (0.8 + 3.5) × 3.7 = 15.91
3.6 × 2 × 0.5 = 3.6 5.4 × 2.3 = 12.42 8 × 1.25 × 6.4 = 64
6.6 × 3.6 = 23.76 8.4 × 4 × 0.25 = 8.4 2.5 × 3 = 7.5
4.0 × 8.6 = 34.4 5.73 × 0.11 ≈ (保留两位小数) 0.63 (4.8 + 4.8) × 3.0 = 28.8
6.7 × 9 = 60.3 6.2 × 5.2 = 32.24 9.6 × 9.1 = 87.36
6.86 × 6.49 ≈ (保留两位小数) 44.52 2.0 × 7.1 = 14.2 5.6 × 9 = 50.4
8.4 × 0.25 × 4 = 8.4 7.4 × 2.9 = 21.46 6.8 × 0.25 × 4 = 6.8
(3.5 + 2.1) × 4.0 = 22.4 2.1 × 3.9 = 8.19 4 × 1.6 × 2.5 = 16
(4.9 + 0.8) × 1.5 = 8.55 3.5 × 5 × 0.2 = 3.5 (2.2 + 2.6) × 3.1 = 14.88
2 × 5.8 × 0.5 = 5.8 (0.2 + 2.2) × 0.2 = 0.48 (1.7 + 2.3) × 0.3 = 1.2
7.75 × 9.78 ≈ (保留两位小数) 75.80 6.03 × 2.09 ≈ (保留两位小数) 12.60 4 × 8.4 × 0.25 = 8.4
5.8 × 0.5 × 2 = 5.8 9.6 × 8.4 = 80.64 5.8 × 22 = 127.6
5.1 × 5.8 = 29.58 6.9 × 28 = 193.2 0.5 × 2 × 5.8 = 5.8
7.5 × 7.8 = 58.5 8.4 × 0.25 × 4 = 8.4 5.6 × 27 = 151.2
8 × 6.4 × 1.25 = 64 7.2 × 50 = 360