一、列竖式计算 (1)0.26×7 (2)3.105×18 (3) 63.08×25 (4)11.4×19 (5)1.59×4 (6) 4.3×2.8 (7) 0.08 × 125 (8)24 × 0.5 (9)25 × 0.125 (10) 4.87 × 100 (11)28 × 1.5 (12)0.82 × 2.3 (13) 3.95 × 42 (14)2.073 × 15 (15)3.7 × 2.5 (16)79 × 0.236 (17)1.8 × 3.08 (18)19.5 × 2.6 (19)0.36 × 560 (20)3.77 × 1.8 (21)5.22 × 0.3 (22)4.67 × 0.9 (23) 5.6 × 6.5 (24)4.88 × 2.9 (25)5.61 × 2.1 (26)8.9 × 2.4 (27)4.268 ×1.7 (28)8.78 × 83 (29) 9.246 × 2.85 (30)7.658 ×85 (31)36.02×0.3 (32) 5.61×4.3 (33) 27.5×5.7 (34) 2.5×0.88 (35)3.77×1.8 (36) 9.77×2.4 (37) 0.072×0.15 (38)0.18×8.45 (39) 0.39×2.9 (40) 0.082×0.14 二、简便方法计算 (1)4.56 × 0.4 × 2.5 (2)12.5 × 2.7 × 0.8 (3)12.5 × 3.2 × 0.25 (4)2.5 × 3.2 (5)12.5 × 56 (6)25 × 0.36 (7)12.5 × 8.8 (8)99 × 0.35 (9)3.7 × 1.8-2.7 × 1.8 (10)1.08 × 9+1.08 (11)0.25×48 (12) 95.7×0.28+6.3×0.28-0.28×2 (13)12.5×88 (14)9.16×1.53-0.53×9.16 (15)5×6.03×0.2 (16)32×1.25 (17)0.45×99 (18)53×10.1 (19)4.2×6.51+3.49×4.2 (20)2.5×0.8×0.4×1.25 一、列竖式计算 (1)0.26×7 (2)3.105×18 (3) 63.08×25 (4)11.4×19 (5)1.59×4 (6) 4.3×2.8 (7) 0.08 × 125 (8)24 × 0.5 (9)25 × 0.125 (10) 4.87 × 100 (11)28 × 1.5 (12)0.82 × 2.3 (13) 3.95 × 42 (14)2.073 × 15 (15)3.7 × 2.5 (16)79 × 0.236 (17)1.8 × 3.08 (18)19.5 × 2.6 (19)0.36 × 560 (20)3.77 × 1.8 (21)5.22 × 0.3 (22)4.67 × 0.9 (23) 5.6 × 6.5 (24)4.88 × 2.9 (25)5.61 × 2.1 (26)8.9 × 2.4 (27)4.268 ×1.7 (28)8.78 × 83 (29) 9.246 × 2.85 (30)7.658 ×85 (31)36.02×0.3 (32) 5.61×4.3 (33) 27.5×5.7 (34) 2.5×0.88 (35)3.77×1.8 (36) 9.77×2.4 (37) 0.072×0.15 (38)0.18×8.45 (39) 0.39×2.9 (40) 0.082×0.14 二、简便方法计算 (1)4.56 × 0.4 × 2.5 (2)12.5 × 2.7 × 0.8 (3)12.5 × 3.2 × 0.25 (4)2.5 × 3.2 (5)12.5 × 56 (6)25 × 0.36 (7)12.5 × 8.8 (8)99 × 0.35 (9)3.7 × 1.8-2.7 × 1.8 (10)1.08 × 9+1.08 (11)0.25×48 (12) 95.7×0.28+6.3×0.28-0.28×2 (13)12.5×88 (14)9.16×1.53-0.53×9.16 (15)5×6.03×0.2 (16)32×1.25 (17)0.45×99 (18)53×10.1 (19)4.2×6.51+3.49×4.2 (20)2.5×0.8×0.4×1.25 一、列竖式计算 (1)0.26×7 (2)3.105×18 (3) 63.08×25 (4)11.4×19 (5)1.59×4 (6) 4.3×2.8 (7) 0.08 × 125 (8)24 × 0.5 (9)25 × 0.125 (10) 4.87 × 100 (11)28 × 1.5 (12)0.82 × 2.3 (13) 3.95 × 42 (14)2.073 × 15 (15)3.7 × 2.5 (16)79 × 0.236 (17)1.8 × 3.08 (18)19.5 × 2.6 (19)0.36 × 560 (20)3.77 × 1.8 (21)5.22 × 0.3 (22)4.67 × 0.9 (23) 5.6 × 6.5 (24)4.88 × 2.9 (25)5.61 × 2.1 (26)8.9 × 2.4 (27)4.268 ×1.7 (28)8.78 × 83 (29) 9.246 × 2.85 (30)7.658 ×85 (31)36.02×0.3 (32) 5.61×4.3 (33) 27.5×5.7 (34) 2.5×0.88 (35)3.77×1.8 (36) 9.77×2.4 (37) 0.072×0.15 (38)0.18×8.45 (39) 0.39×2.9 (40) 0.082×0.14 二、简便方法计算 (1)4.56 × 0.4 × 2.5 (2)12.5 × 2.7 × 0.8 (3)12.5 × 3.2 × 0.25 (4)2.5 × 3.2 (5)12.5 × 56 (6)25 × 0.36 (7)12.5 × 8.8 (8)99 × 0.35 (9)3.7 × 1.8-2.7 × 1.8 (10)1.08 × 9+1.08 (11)0.25×48 (12) 95.7×0.28+6.3×0.28-0.28×2 (13)12.5×88 (14)9.16×1.53-0.53×9.16 (15)5×6.03×0.2 (16)32×1.25 (17)0.45×99 (18)53×10.1 (19)4.2×6.51+3.49×4.2 (20)2.5×0.8×0.4×1.25