分数乘法计算能力专项突破（专项训练）-六年级上册数学人教版

1 ．直接写出得数。 ×3 = 0. 7× 2 = 7 2 ．直接写出得数。 0× = 24× = 3 ．直接写出得数。 ×9 = ×100 = 4 ．直接写得数。 24 × = × 21 = 5 ．计算。 × 75 15× = 1 1 × = 9 4 1 3 ×7 = 3 15 × = 4 2 ×0 = 3 2 + = 4 3 × 60 = 4 5 × = 11 8 3 5 × 20 18 分数乘法① 9 7 1 × = 14 3 2 3 1 5 × = 7 3 6 1 =10× 10 3 2 × = 5 3 5 6 × = 6 5 7 6 × = 24 14 2 × 15 3.2 × 30 = 3 = 4 5 3 × 9 25 ×4 = 1 × = 5 8 =39× 13 1.8× 2 = 3 4 51 ×17 = 17 2 × = 8 51 6 ．直接写出得数。 × = × = × 0 = 3 1 4 5 8 5 × = × = × = 4 3 5 13 25 6 20 × = 6 × = + 2 = 7 4 × = 8 9 第 1页 1 ．直接写得数。 ×18 = 25×= 1.25× 4 = 5 分数乘法② ×0.5 ＝ × = ×6 ＝ 2.8 = 7 ×0.36 = 18 2 ．计算。 ①12 (5)× 25 (8) ②5 (2) × 1 (2)4 (5) ③2 (1)4 (1) + ( 6 (1) + 3 (2) ) 3 ．计算下面各题。 1 (1)5 (7) × 75 55 (6) × 5 (22) 3 (1)9 (2) × 2 (1)4 (3) 30× 3 (3)3 (2) 4 ．计算。 24× × × × × × 1 (1)1 (0) × 13 (1) ×33