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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
3.7 × 2.0 ≈ (保留两位小数) 1.75 × 7.19 ≈ (保留两位小数) (4.3 + 0.5) × 0.5 =
2 × 0.5 × 4.6 = 9.1 × 1.9 = 9.4 × 6.8 =
9.05 × 5.03 ≈ (保留两位小数) (0.7 + 4.8) × 2.1 = 0.56 × 1.6 ≈ (保留两位小数)
5.5 × 26 = (4.2 + 4.1) × 2.3 = (3.1 + 1.2) × 3.0 =
9.9 × 39 = 6.2 × 47 = (0.3 + 2.2) × 3.5 =
5.0 × 28 = 4.7 × 2 = 5.9 × 2.7 =
7.4 × 46 = 9.7 × 3.2 = 2.1 × 8.1 =
7.92 × 9.37 ≈ (保留两位小数) 4 × 2.5 × 3.6 = 3.31 × 4.92 ≈ (保留两位小数)
(1.4 + 3.0) × 2.2 = 9.91 × 4.77 ≈ (保留两位小数) (2.0 + 1.1) × 1.9 =
3.6 × 0.5 × 2 = 2.2 × 3.91 ≈ (保留两位小数) 7.51 × 3.06 ≈ (保留两位小数)
3.2 × 5.0 = (4.0 + 4.6) × 3.9 = 9.8 × 4 =
2.9 × 9.91 ≈ (保留两位小数) 7.8 × 48 = 8.0 × 39 =
3.6 × 27 = (0.3 + 2.4) × 4.1 = 7.64 × 4.42 ≈ (保留两位小数)
(4.0 + 0.9) × 0.7 = 0.5 × 3.6 × 2 = 8.4 × 0.25 × 4 =
6.4 × 1.25 × 8 = 1.55 × 5.82 ≈ (保留两位小数) 7.0 × 50 =
0.2 × 3.5 × 5 = (0.3 + 0.8) × 3.6 = 8.36 × 5.81 ≈ (保留两位小数)
5.5 × 9.2 = 3.5 × 28 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
3.7 × 2.0 ≈ (保留两位小数) 7.40 1.75 × 7.19 ≈ (保留两位小数) 12.58 (4.3 + 0.5) × 0.5 = 2.4
2 × 0.5 × 4.6 = 4.6 9.1 × 1.9 = 17.29 9.4 × 6.8 = 63.92
9.05 × 5.03 ≈ (保留两位小数) 45.52 (0.7 + 4.8) × 2.1 = 11.55 0.56 × 1.6 ≈ (保留两位小数) 0.90
5.5 × 26 = 143 (4.2 + 4.1) × 2.3 = 19.09 (3.1 + 1.2) × 3.0 = 12.9
9.9 × 39 = 386.1 6.2 × 47 = 291.4 (0.3 + 2.2) × 3.5 = 8.75
5.0 × 28 = 140 4.7 × 2 = 9.4 5.9 × 2.7 = 15.93
7.4 × 46 = 340.4 9.7 × 3.2 = 31.04 2.1 × 8.1 = 17.01
7.92 × 9.37 ≈ (保留两位小数) 74.21 4 × 2.5 × 3.6 = 36 3.31 × 4.92 ≈ (保留两位小数) 16.29
(1.4 + 3.0) × 2.2 = 9.68 9.91 × 4.77 ≈ (保留两位小数) 47.27 (2.0 + 1.1) × 1.9 = 5.89
3.6 × 0.5 × 2 = 3.6 2.2 × 3.91 ≈ (保留两位小数) 8.60 7.51 × 3.06 ≈ (保留两位小数) 22.98
3.2 × 5.0 = 16 (4.0 + 4.6) × 3.9 = 33.54 9.8 × 4 = 39.2
2.9 × 9.91 ≈ (保留两位小数) 28.74 7.8 × 48 = 374.4 8.0 × 39 = 312
3.6 × 27 = 97.2 (0.3 + 2.4) × 4.1 = 11.07 7.64 × 4.42 ≈ (保留两位小数) 33.77
(4.0 + 0.9) × 0.7 = 3.43 0.5 × 3.6 × 2 = 3.6 8.4 × 0.25 × 4 = 8.4
6.4 × 1.25 × 8 = 64 1.55 × 5.82 ≈ (保留两位小数) 9.02 7.0 × 50 = 350
0.2 × 3.5 × 5 = 3.5 (0.3 + 0.8) × 3.6 = 3.96 8.36 × 5.81 ≈ (保留两位小数) 48.57
5.5 × 9.2 = 50.6 3.5 × 28 = 98