五年级下册口算题及答案

1)2.9 ×0.5 ＝：:1.45 (2)5.9 ×0.2 ＝ 1.18 (3)3.6 ×7 ＝25.2 (4)4.3 ×0.3 ＝ 1.29 (5)5.9 ×9 ＝：:53.1 (6)9.4 ×9 ＝：:84.6 (7)7.5 ×6 ＝：:45 (8)1.3 ×3 ＝：:3.9 (9)3.8 ×7 ＝：:26.6 (10)4.7 ×5 ＝：:23.5 (11)5.2 ×7 ＝：:36.4 (12)2.3 ×2 ＝：:4.6 (13)6.8 ×7 ＝：:47.6 (14)6.7 ×0.3 ＝：:2.01 (15)7.5 ×7 ＝：:52.5 (16)7.1 ×0.7 ＝：:4.97 (17)6.6 ×2 ＝：:13.2 (18)3.5 ×0.2 ＝：:0.7 (19)3.7 ×0.3 ＝：:1.11 (20)4 ×0.3 ＝：:1.2 (21)9.2 ×9 ＝：:82.8 (22)6.1 ×9 ＝：:54.9 (23)6.8 ×5 ＝：:34 (24)4.8 ×4 ＝：:19.2 (25)4.1 ×2 ＝：:8.2 (26)6.4 ×0.4 ＝：:2.56 (27)9.6 ×7 ＝：:67.2 (28)1.9 ×0.8 ＝：:1.52 (29)4.2 ×0.3 ＝：:1.26 (30)1.9 ×0.8 ＝：:1.52 (31)8.7 ×0.4 ＝：:3.48 (32)2.6 ×7 ＝：:18.2 (33)2.1 ×3 ＝：:6.3 (34)1.6 ×2 ＝：:3.2 (35)5.3 ×3 ＝：:15.9 (36)8.5 ×9 ＝：:76.5 (37)6.9 ×0.7 ＝：:4.83 (38)6.6 ×0.4 ＝：:2.64 (39)4.3 ×8 ＝：:34.4 (40)8.2 ×3 ＝：:24.6 (41)8.4 ×6 ＝：:50.4 (42)2 ×6 ＝：:12 (43)8.7 ×0.3 ＝：:2.61 (44)3.2 ×0.5 ＝：:1.6 (45)8.5 ×0.9 ＝：:7.65 (46)7.1 ×0.7 ＝：:4.97 (47)7.1 ×6 ＝：:42.6 (48)7.4 ×0.5 ＝：:3.7 (49)9.6 ×3 ＝：:28.8 (50)8.4 ×8 ＝：:67.2 (51)2.5 ×4 ＝：:10 (52)1.3 × 3 ＝：:3.9 (53)8 ×0.4 ＝：:3.2 (54)7.8 ×9 ＝：:70.2 (55)6 ×0.5 ＝：:3 (56)7.7 ×8 ＝：:61.6 (57)9.9 ×0.7 ＝：:6.93 (58)5.4 ×2 ＝：:10.8 (59)5.1 ×2 ＝：:10.2 (60)4.7 ×3 ＝：:14.1 (61)1.2 ×0.2 ＝：:0.24 (62)5.3 ×0.2 ＝：:1.06 (63)2.7 ×8 ＝：:21.6 (64)2 ×9 ＝：:18 (65)9.6 ×9 ＝：:86.4 (66)5.4 ×3 ＝：:16.2 (67)9.3 ×3 ＝：:27.9 (68)5.5 ×0.8 ＝：:4.4 (69)7.4 ×0.7 ＝：:5.18 (70)3.4 ×0.6 ＝：:2.04 (71)4.5 ×0.4 ＝：:1.8 (72)3.8 ×7 ＝：:26.6 (73)4.7 ×0.2 ＝：:0.94 (74)1.5 × 6 ＝：:9 (75)8 ×0.9 ＝：:7.2 (76)9.2 ×0.6 ＝：:5.52 (77)2.4 ×9 ＝：:21.6 (78)1.8 × 5 ＝：:9 (79)8.9 ×0.6 ＝：:5.34 (80)3.2 ×0.8 ＝：:2.56 (81)9.7 ×9 ＝：:87.3 (82)6 ×7 ＝：:42 (83)1.6 ×0.7 ＝：:1.12 (84)6.3 ×2 ＝：:12.6 (85)7.1 ×0.8 ＝：:5.68 (86)5.2 ×7 ＝：:36.4 (87)3.9 ×0.8 ＝：:3.12 (88)9.9 ×0.2 ＝：:1.98 (89)2.4 ×0.4 ＝：:0.96 (90)3.5 ×5 ＝：:17.5 (91)7.7 ×3 ＝：:23.1 (92)9.5 ×0.2 ＝：:1.9 (93)7.8 ×0.3 ＝：:2.34 (94)3.4 ×8 ＝：:27.2 (95)1.3 ×0.6 ＝：:0.78 (96)9 ×0.5 ＝：:4.5 (97)3.5 ×0.5 ＝：:1.75 (98)3.4 ×9 ＝：:30.6 (99)3.4 ×0.9 ＝：:3.06 (100)6.5 ×0.5 ＝：:3.25 1)7.4 × 6 ＝：:44.4 (2)2.3 × 5 ＝：:11.5 (3)5.1 ×0.4 ＝：:2.04 (4)9.6 ×4 ＝：:38.4 (5)5.4 × 5 ＝：:27 (6)1.5 ×0.8 ＝：:1.2 (7)9.4 ×2 ＝：:18.8 (8)1.6 ×0.8 ＝：:1.28 (9)7.5 ×0.7 ＝：:5.25 (10)3.7 ×9 ＝：:33.3 (11)1.8 ×0.6 ＝：:1.08 (12)3.5 ×7 ＝：:24.5 (13)9.3 ×4 ＝：:37.2 (14)2.7 ×0.7 ＝：:1.89 (15)5.2 ×7 ＝：:36.4 (16)3.8 ×0.2 ＝：:0.76 (17)1.2 ×0.9 ＝：:1.08 (18)6.1 ×7 ＝：:42.7 (19)3.8 ×0.7 ＝：:2.66 (20)1.6 × 5 ＝：:8 (21)5.9 ×0.3 ＝：:1.77 (22)9 ×9 ＝：:81 (23)7.1 ×0.3 ＝：:2.13 (24)9.7 ×2 ＝：:19.4 (25)5.8 ×0.8 ＝：:4.64 (26)1.7 ×6 ＝：:10.2 (27)9.6 ×0.5 ＝：:4.8 (28)1.8 ×4 ＝：:7.2 (29)4.3 ×0.6 ＝：:2.58 (30)1.3 ×9 ＝：:11.7 (31)2.9 ×8 ＝：:23.2 (32)5.6 ×7 ＝：:39.2 (33)5.3 ×0.6 ＝：:3.18 (34)5.4 ×0.7 ＝：:3.78 (35)5.3 ×0.2 ＝：:1.06 (36)8.3 ×2 ＝：:16.6 (37)9.5 ×3 ＝：:28.5 (38)7.3 ×2 ＝：:14.6 (39)2 ×0.5 ＝：:1 (40)5.2 ×0.6 ＝：:3.12 (41)9.7 ×7 ＝：:67.9 (42)6.1 ×8 ＝：:48.8 (43)6.7 ×0.2 ＝：:1.34 (44)8.6 × 6 ＝：:51.6 (45)3.1 ×0.5 ＝：:1.55 (46)8.2 × 6 ＝：:49.2 (47)1.5 × 6 ＝：:9 (48)8.4 ×2 ＝：:16.8 (49)1.3 ×6 ＝：:7.8 (50)8.9 ×0.5 ＝：:4.45 (51)6.7 ×2 ＝：:13.4 (52)5.4 ×6 ＝：:32.4 (53)6.3 ×9 ＝：:56.7 (54)6.4 ×3 ＝：:19.2 (55)8.5 ×0.2 ＝：:1.7 (56)1.5 ×0.5 ＝：:0.75 (57)3 ×0.4 ＝：:1.2 (58)6.8 × 5 ＝：:34 (59)8.7 ×0.3 ＝：:2.61 (60)5.6 ×6 ＝：:33.6 (61)5.5 ×0.7 ＝：:3.85 (62)9.6 ×0.3 ＝：:2.88 (63)9.6 ×7 ＝：:67.2 (64)8.3 ×3 ＝：:24.9 (65)9.5 ×0.5 ＝：:4.75 (66)5.5