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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
(0.1 + 1.1) × 4.6 = 1.1 × 0.7 = (4.0 + 2.6) × 0.2 =
6.0 × 23 = 2.62 × 4.94 ≈ (保留两位小数) 3.9 × 20 =
4.8 × 0.2 = 8.69 × 3.4 ≈ (保留两位小数) (1.7 + 3.0) × 2.1 =
3.6 × 2 × 0.5 = 0.73 × 3.8 ≈ (保留两位小数) 3.6 × 2.5 × 4 =
1.25 × 7.2 × 8 = (3.0 + 4.4) × 1.5 = (5.0 + 4.3) × 1.4 =
3.2 × 3.4 = 8.0 × 29 = (3.7 + 0.9) × 0.3 =
3.8 × 9.0 = 0.9 × 9.8 = 5.1 × 6.4 =
5.0 × 6.5 = 6.4 × 13 = (3.9 + 1.3) × 3.8 =
3.3 × 3.8 = 2.57 × 2.95 ≈ (保留两位小数) 7.57 × 9.0 ≈ (保留两位小数)
0.125 × 8 × 6.4 = 3.0 × 47 = 8.3 × 37 =
0.7 × 6.0 = 5.8 × 2 × 0.5 = 9.9 × 16 =
1.25 × 8 × 6.4 = (4.8 + 4.9) × 1.9 = 8.62 × 4.26 ≈ (保留两位小数)
6.1 × 27 = 1.6 × 2.5 × 4 = 8.1 × 3.0 =
(0.2 + 2.5) × 4.5 = (2.0 + 3.5) × 4.3 = 3.1 × 8.5 =
(0.4 + 3.6) × 0.3 = (2.2 + 2.1) × 2.5 = 2.6 × 31 =
(0.8 + 2.6) × 3.5 = 0.5 × 5.8 × 2 = (1.8 + 3.3) × 2.0 =
5 × 4.5 × 0.2 = (2.2 + 0.5) × 0.5 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
(0.1 + 1.1) × 4.6 = 5.52 1.1 × 0.7 = 0.77 (4.0 + 2.6) × 0.2 = 1.32
6.0 × 23 = 138 2.62 × 4.94 ≈ (保留两位小数) 12.94 3.9 × 20 = 78
4.8 × 0.2 = 0.96 8.69 × 3.4 ≈ (保留两位小数) 29.55 (1.7 + 3.0) × 2.1 = 9.87
3.6 × 2 × 0.5 = 3.6 0.73 × 3.8 ≈ (保留两位小数) 2.77 3.6 × 2.5 × 4 = 36
1.25 × 7.2 × 8 = 72 (3.0 + 4.4) × 1.5 = 11.1 (5.0 + 4.3) × 1.4 = 13.02
3.2 × 3.4 = 10.88 8.0 × 29 = 232 (3.7 + 0.9) × 0.3 = 1.38
3.8 × 9.0 = 34.2 0.9 × 9.8 = 8.82 5.1 × 6.4 = 32.64
5.0 × 6.5 = 32.5 6.4 × 13 = 83.2 (3.9 + 1.3) × 3.8 = 19.76
3.3 × 3.8 = 12.54 2.57 × 2.95 ≈ (保留两位小数) 7.58 7.57 × 9.0 ≈ (保留两位小数) 68.13
0.125 × 8 × 6.4 = 6.4 3.0 × 47 = 141 8.3 × 37 = 307.1
0.7 × 6.0 = 4.2 5.8 × 2 × 0.5 = 5.8 9.9 × 16 = 158.4
1.25 × 8 × 6.4 = 64 (4.8 + 4.9) × 1.9 = 18.43 8.62 × 4.26 ≈ (保留两位小数) 36.72
6.1 × 27 = 164.7 1.6 × 2.5 × 4 = 16 8.1 × 3.0 = 24.3
(0.2 + 2.5) × 4.5 = 12.15 (2.0 + 3.5) × 4.3 = 23.65 3.1 × 8.5 = 26.35
(0.4 + 3.6) × 0.3 = 1.2 (2.2 + 2.1) × 2.5 = 10.75 2.6 × 31 = 80.6
(0.8 + 2.6) × 3.5 = 11.9 0.5 × 5.8 × 2 = 5.8 (1.8 + 3.3) × 2.0 = 10.2
5 × 4.5 × 0.2 = 4.5 (2.2 + 0.5) × 0.5 = 1.35