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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
8.8 × 0.71 ≈ (保留两位小数) (0.2 + 0.3) × 3.9 = (2.6 + 1.4) × 2.4 =
1.25 × 8 × 7.2 = 5.4 × 8.2 = 0.7 × 7.7 =
3.1 × 7.7 = 6.4 × 1.25 × 8 = 2.7 × 27 =
0.5 × 2 × 4.6 = 4.6 × 30 = 4.77 × 3.97 ≈ (保留两位小数)
9.5 × 12 = 1.41 × 7.68 ≈ (保留两位小数) (2.1 + 2.6) × 1.6 =
(0.3 + 0.9) × 5.0 = (4.9 + 4.6) × 0.8 = 8.6 × 6.5 =
1.3 × 2.3 = 8.0 × 6.3 = 4.6 × 35 =
8.4 × 4 × 0.25 = 5.4 × 5.4 = 0.63 × 2.74 ≈ (保留两位小数)
0.7 × 2.1 = 1.8 × 8.1 = 4 × 0.25 × 8.4 =
(3.9 + 0.7) × 0.2 = 8.6 × 18 = 0.5 × 5.8 × 2 =
(3.8 + 4.6) × 0.4 = 8 × 7.2 × 1.25 = 3.78 × 0.9 ≈ (保留两位小数)
8.84 × 7.83 ≈ (保留两位小数) (0.3 + 2.5) × 4.2 = 8.5 × 10 =
5.8 × 4 = 8.8 × 46 = 4 × 6.8 × 0.25 =
8.2 × 12 = 8.8 × 1.9 = 1.6 × 2.5 × 4 =
(3.6 + 3.7) × 0.7 = 4.78 × 4 × 0.25 = (4.7 + 4.2) × 4.0 =
9.9 × 0.3 = 9.2 × 20 = 8.4 × 7.4 =
3.87 × 3.91 ≈ (保留两位小数) 2.3 × 2.6 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
8.8 × 0.71 ≈ (保留两位小数) 6.25 (0.2 + 0.3) × 3.9 = 1.95 (2.6 + 1.4) × 2.4 = 9.6
1.25 × 8 × 7.2 = 72 5.4 × 8.2 = 44.28 0.7 × 7.7 = 5.39
3.1 × 7.7 = 23.87 6.4 × 1.25 × 8 = 64 2.7 × 27 = 72.9
0.5 × 2 × 4.6 = 4.6 4.6 × 30 = 138 4.77 × 3.97 ≈ (保留两位小数) 18.94
9.5 × 12 = 114 1.41 × 7.68 ≈ (保留两位小数) 10.83 (2.1 + 2.6) × 1.6 = 7.52
(0.3 + 0.9) × 5.0 = 6 (4.9 + 4.6) × 0.8 = 7.6 8.6 × 6.5 = 55.9
1.3 × 2.3 = 2.99 8.0 × 6.3 = 50.4 4.6 × 35 = 161
8.4 × 4 × 0.25 = 8.4 5.4 × 5.4 = 29.16 0.63 × 2.74 ≈ (保留两位小数) 1.73
0.7 × 2.1 = 1.47 1.8 × 8.1 = 14.58 4 × 0.25 × 8.4 = 8.4
(3.9 + 0.7) × 0.2 = 0.92 8.6 × 18 = 154.8 0.5 × 5.8 × 2 = 5.8
(3.8 + 4.6) × 0.4 = 3.36 8 × 7.2 × 1.25 = 72 3.78 × 0.9 ≈ (保留两位小数) 3.40
8.84 × 7.83 ≈ (保留两位小数) 69.22 (0.3 + 2.5) × 4.2 = 11.76 8.5 × 10 = 85
5.8 × 4 = 23.2 8.8 × 46 = 404.8 4 × 6.8 × 0.25 = 6.8
8.2 × 12 = 98.4 8.8 × 1.9 = 16.72 1.6 × 2.5 × 4 = 16
(3.6 + 3.7) × 0.7 = 5.11 4.78 × 4 × 0.25 = 4.78 (4.7 + 4.2) × 4.0 = 35.6
9.9 × 0.3 = 2.97 9.2 × 20 = 184 8.4 × 7.4 = 62.16
3.87 × 3.91 ≈ (保留两位小数) 15.13 2.3 × 2.6 = 5.98