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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

×9 =::49.5 (67)1.9 ×9 =::17.1 (68)2.2 ×7 =::15.4 (69)3.8 ×0.9 =::3.42 (70)1.8 ×0.7 =::1.26 (71)4.6 ×0.2 =::0.92 (72)1.3 ×0.2 =::0.26 (73)4.3 ×0.9 =::3.87 (74)1.4 ×2 =::2.8 (75)7 ×5 =::35 (76)2.5 ×7 =::17.5 (77)6.4 ×0.4 =::2.56 (78)6.3 ×5 =::31.5 (79)3.1 ×4 =::12.4 (80)5.8 ×0.7 =::4.06 (81)1.2 ×8 =::9.6 (82)6.5 ×0.5 =::3.25 (83)3.9 ×0.9 =::3.51 (84)9.3 ×3 =::27.9 (85)2 ×2 =::4 (86)3.7 ×5 =::18.5 (87)1.1 ×3 =::3.3 (88)6.5 ×5 =::32.5 (89)2.7 ×0.8 =::2.16 (90)8.4 ×8 =::67.2 (91)4.2 ×0.8 =::3.36 (92)6.9 ×2 =::13.8 (93)6.6 ×2 =::13.2 (94)9.5 ×0.8 =::7.6 (95)6.6 ×0.7 =::4.62 (96)1.7 ×0.5 =::0.85 (97)6.9 ×9 =::62.1 (98)8.4 ×6 =::50.4 (99)9.4 ×0.5 =::4.7 (100)8.4 ×0.5 =::4.2 (1)5.6 ×8 =::44.8 (2)3.9 × 5 =::19.5 (3)5.4 ×0.4 =::2.16 (4)7.3 ×0.2 =::1.46 (5)9.4 ×8 =::75.2 (6)3.8 ×0.3 =::1.14 (7)8.6 ×0.4 =::3.44 (8)7.3 ×4 =::29.2 (9)4.8 ×0.4 =::1.92 (10)1.3 ×4 =::5.2 (11)7.3 ×8 =::58.4 (12)8 ×4 =::32 (13)3.2 ×6 =::19.2 (14)4.7 ×0.3 =::1.41 (15)4.6 ×0.9 =::4.14 (16)9.9 × 4 =::39.6 (17)8.2 ×0.5 =::4.1 (18)8.2 ×0.5 =::4.1 (19)5 ×0.8 =::4 (20)5.7 ×9 =::51.3 (21)3.9 ×5 =::19.5 (22)7.3 ×2 =::14.6 (23)5.3 ×3 =::15.9 (24)6.7 ×0.2 =::1.34 (25)4.3 ×0.5 =::2.15 (26)4.7 ×0.4 =::1.88 (27)2.4 ×5 =::12 (28)7.3 ×0.3 =::2.19 (29)3.8 ×0.9 =::3.42 (30)7.3 ×4 =::29.2 (31)5.1 ×0.7 =::3.57 (32)9.8 ×2 =::19.6 (33)8.3 ×0.7 =::5.81 (34)4.3 ×0.6 =::2.58 (35)9.5 ×0.3 =::2.85 (36)9.9 ×5 =::49.5 (37)3.4 ×2 =::6.8 (38)2.9 ×4 =::11.6 (39)1.1 ×6 =::6.6 (40)2.1 ×5 =::10.5 (41)9.1 ×0.8 =::7.28 (42)9.7 ×0.3 =::2.91 (43)9.6 ×0.5 =::4.8 (44)5.1 ×0.6 =::3.06 (45)5.5 ×8 =::44 (46)9 ×8 =::72 (47)5 ×4 =::20 (48)4.1 ×5 =::20.5 (49)1.4 ×0.3 =::0.42 (50)2.4 ×9 =::21.6 (51)5.1 ×7 =::35.7 (52)7.9 ×5 =::39.5 (53)4.1 ×9 =::36.9 (54)1.6 ×2 =::3.2 (55)6.7 ×0.8 =::5.36 (56)8.9 ×0.7 =::6.23 (57)6.2 ×0.2 =::1.24 (58)2.6 ×7 =::18.2 (59)6.8 ×0.6 =::4.08 (60)5.6 ×9 =::50.4 (61)9.8 ×0.8 =::7.84 (62)9 ×9 =::81 (63)3.8 ×7 =::26.6 (64)2.5 ×6 =::15 (65)1.7 ×5 =::8.5 (66)4.6 ×0.7 =::3.22 (67)8.9 ×3 =::26.7 (68)7.9 ×0.6 =::4.74 (69)6.3 × 4 =::25.2 (70)2.9 ×0.3 =::0.87 (71)4.6 ×8 =::36.8 (72)1.5 × 2 =::3 (73)6.9 ×0.7 =::4.83 (74)5.8 × 6 =::34.8 (75)3.4 ×0.5 =::1.7 (76)1.9 ×2 =::3.8 (77)8.3 ×0.4 =::3.32 (78)7.4 ×6 =::44.4 (79)4.5 ×3 =::13.5 (80)5.9 ×4 =::23.6 (81)8.9 ×0.2 =::1.78 (82)4.9 ×8 =::39.2 (83)7.5 ×2 =::15 (84)1.5 ×7 =::10.5 (85)8.3 ×0.4 =::3.32 (86)6.1 ×0.6 =::3.66 (87)3.7 ×0.5 =::1.85 (88)7.4 ×0.5 =::3.7 (89)1.3 ×0.7 =::0.91 (90)3.5 ×0.7 =::2.45 (91)9.9 ×0.2 =::1.98 (92)2 ×7 =::14 (93)4.4 ×0.8 =::3.52 (94)8.5 ×4 =::34 (95)9.8 ×8 =::78.4 (96)9 ×9 =::81 (97)2.7 ×8 =::21.6 (98)1.6 ×0.3 =::0.48 (99)5.7 ×3 =::17.1 (100)7.5 ×5 =::37.5 1)4.1 ×0.7 =::2.87 (2)3.9 ×5 =::19.5 (3)8.5 ×2 =::17 (4)7.7 ×6 =::46.2 (5)4 ×9 =::36 (6)1.7 ×2 =::3.4 (7)7.9 ×6 =::47.4 (8)4.2 ×0.9 =::3.78 (9)2.6 ×6 =::15.6 (10)9.9 ×8 =::79.2 (11)1.7 ×5 =::8.5 (12)2.4 ×4 =::9.6 (13)6 ×0.4 =::2.4 (14)3.9 ×6 =::23.4 (15)7 ×0.4 =::2.8 (16)7.6 ×0.4 =::3.04 (17)3.9 ×0.7 =::2.73 (18)2.8 ×0.3 =::0.84 (19)3 ×9 =::27 (20)8.1 ×0.3 =::2.43 (21)3.3 ×8 =::26.4 (22)8.1 ×0.7 =::5.67 (23)2.2 ×3 =::6.6 (24)3 ×6 =::18 (25)3.2 ×5 =::16 (26)4.3 ×7 =::30.1 (27)6.7 ×5 =::33.5 (28)2.7 ×0.7 =::1.89 (29)1.4 ×0.9 =::1.26 (30)1.6 ×9 =::14.4 (31)8 ×0.8 =::6.4 (32)5.9 ×2 =::11.8 (33)3.6 ×

9 =::32.4 (34)1.4 ×0.6 =::0.84 (35)8.3 ×0.2 =::1.66 (36)7 ×9 =::63 (37)8.7 ×8 =::69.6 (38)2.9 ×3 =::8.7 (39)6.7 ×0.2 =::1.34 (40)1.6 ×0.8 =::1.28 (41)9.6 × 2 =::19.2 (42)5.4 × 5 =::27 (43)5.8 ×0.7 =::4.06 (44)3.7 ×0.2 =::0.74 (45)8.7 ×0.6 =::5.22 (46)2.1 ×0.4 =::0.84 (47)1.6 ×5 =::8 (48)4.6 ×3 =::13.8 (49)9.5 ×0.6 =::5.7 (50)5.6 ×9 =::50.4 (51)5.9 ×0.3 =::1.77 (52)9 ×2 =::18 (53)9 ×4 =::36 (54)4.5 ×3 =::13.5 (55)4.4 ×6 =::26.4 (56)5.5 × 4 =::22 (57)8.6 × 6 =::51.6 (58)6.6 ×0.2 =::1.32 (59)8.7 ×0.6 =::5.22 (60)2.4 ×0.6 =::1.44 (61)2.1 ×0.2 =::0.42 (62)4.4 ×0.8 =::3.52 (63)7.1 ×9 =::63.9 (64)3.8 × 3 =::11.4 (65)8.9 ×7 =::62.3 (66)7.1 ×0.2 =::1.42 (67)3.9 ×0.5 =::1.95 (68)1.6 ×0.7 =::1.12 (69)3.9 ×0.9 =::3.51 (70)7.7 × 2 =::15.4 (71)7 ×0.7 =::4.9 (72)8.3 × 4 =::33.2 (73)5.1 ×0.2 =::1.02 (74)9.2 ×0.8 =::7.36 (75)1.3 ×6 =::7.8 (76)6.8 ×7 =::47.6 (77)2.2 ×3 =::6.6 (78)3.2 ×8 =::25.6 (79)6.8 ×0.2 =::1.36 (80)4.7 ×0.2 =::0.94 (81)6.7 ×9 =::60.3 (82)9.9 ×7 =::69.3 (83)3.3 ×0.2 =::0.66 (84)2.3 × 3 =::6.9 (85)8.3 ×0.5 =::4.15 (86)8.5 ×0.2 =::1.7 (87)1.7 ×0.7 =::1.19 (88)9 ×0.6 =::5.4 (89)9.9 × 5 =::49.5 (90)7.4 ×0.3 =::2.22 (91)7.7 ×2 =::15.4 (92)9.9 ×0.4 =::3.96 (93)5 ×0.2 =::1 (94)8.5 × 5 =::42.5 (95)9.1 ×9 =::81.9 (96)5.6 ×0.5 =::2.8 (97)5 ×8 =::40 (98)3.1 ×0.4 =::1.24 (99)6.8 ×8 =::54.4 (100)1.9 ×0.2 =::0.38

25 +15 =

47 -27 =

58 +18 =

19 +29 =

16 +16 =

23 -13 =

910 +110 =

712 -512 =

255 -105 =

10-2.5 =

13 +23 =

47 -27 =

16 +56 =

910 -310 =

29 +49 =

18 +18 +38 =

1- 29 -49 =

1211 -111 =

47 +47 =

1-89 =

12 +15 +12 =

76÷19=

1-0.001=

156÷26=

3.6×0.2=

360÷45=

80÷16=

1.3-0.7=

0.49+0.16=

2.6×0.4=

55÷0.001=

55×0.001=

2400÷30=

25 -15 =

34 +14 =

29 +59 =

12 +12 =

58 -38 =

56 -16 =

13-0.56 =

14 -1.5 =

910 -410 =

0.79+0.79×99=

1÷5+1÷5=

0.89×101-0.89=

1.1-

2.7÷27=

573-(273+169)=12.4×11-12.4=

5÷0.25=

0.84÷0.4=

0.25×16=

2.5×40=

700-699.9=

620÷200=

78÷16=

9001-8006=

144÷12=