五年級下冊口算題及答案

1、1)2.9X0.5 = : :1.45 (2)5.9X 0.2 = 1.18 (3)3.6X 7 =25.2 (4)4.3 X 0.3 = 1.29(5)5.9 X 9 = :53.1 (6)9.4 X 9 = : :84.6 (7)7.5 X 6 = : :45 (8)1.3 X 3 = : :3.9 (9)3.8 X 7=:26.6 (10)4.7 X 5 =: :23.5 (11)5.2 X 7 =: :36.4 (12)2.3 X 2 = : :4.6 (13)6.8X 7=: :47.6 (14)6.7 X 0.3= : :2.01 (15)7.5 X 7= : :52.5 (16)

2、7.1 X 0.7 = : :4.97(17)6.6X2= : :13.2 (18)3.5 X 0.2= : :0.7 (19)3.7X 0.3 = : :1.11 (20)4X0.3=:1.2 (21)9.2 X 9 = : :82.8 (22)6.1 X 9 = : :54.9 (23)6.8 X 5 = : :34 (24)4.8 X 4 = : :19.2 (25)4.1 X 2 = : :8.2 (26)6.4 X 0.4 = : :2.56 (27)9.6 X 7 = : :67.2 (28)1.9 X 0.8=:1.52 (29)4.2 X 0.3 = :1.26 (30)1.9

3、 X0.8 = : :1.52 (31)8.7X0.4=:3.48 (32)2.6X7 =: :18.2 (33)2.1X 3 = :6.3 (34)1.6 X 2 = :3.2 (35)5.3 X3 = :15.9(36)8.5 X 9 = : :76.5 (37)6.9 X 0.7 = :4.83 (38)6.6 X 0.4 =: :2.64(39)4.3X8= : :34.4 (40)8.2 X 3 =: :24.6 (41)8.4 X6 = : :50.4 (42)2 X 6 = :12(43)8.7X0.3 = : :2.61 (44)3.2 X 0.5= : :1.6 (45)8.

4、5X 0.9 = : :7.65 (46)7.1X0.7=:4.97 (47)7.1X6 =: :42.6 (48)7.4X 0.5 =: :3.7 (49)9.6 X 3 =: :28.8 (50)8.4X 8 = :67.2 (51)2.5 X 4 =:10 (52)1.3 X 3 =:3.9 (53)8 X 0.4 = : :3.2(54)7.8X 9 = :70.2 (55)6 X 0.5 = : :3 (56)7.7 X 8 = : :61.6 (57)9.9 X 0.7 = : :6.93 (58)5.4 X 2 = :10.8 (59)5.1 X 2 =:10.2 (60)4.7

5、 X 3=: :14.1 (61)1.2 X0.2 =: :0.24(62)5.3 X0.2 = :1.06 (63)2.7X8 = :21.6 (64)2X9 = : :18 (65)9.6X 9 =: :86.4(66)5.4 X3 = : :16.2 (67)9.3X 3 = : :27.9 (68)5.5 X 0.8 = : :4.4 (69)7.4X 0.7=:5.18(70)3.4X0.6=: :2.04 (71)4.5 X 0.4=: :1.8 (72)3.8 X7=: :26.6(73)4.7X 0.2 =: :0.94 (74)1.5 X 6=: :9 (75)8 X 0.9

6、=: :7.2 (76)9.2 X0.6 =: :5.52(77)2.4X9 =: :21.6 (78)1.8 X5 = : :9(79)8.9 X 0.6=:5.34 (80)3.2 X 0.8=:2.56(81)9.7X9 = :87.3(82)6 X 7 = :42(83)1.6 X 0.7=: :1.12 (84)6.3 X2=: :12.6 (85)7.1X0.8= :5.68 (86)5.2 X7= : :36.4 (87)3.9X0.8 =: :3.12(88)9.9X0.2 =: :1.98(89)2.4 X0.4 = : :0.96 (90)3.5X5=: :17.5 (91

7、)7.7X 3=:23.1(92)9.5X0.2=: :1.9(93)7.8X 0.3 =:2.34 (94)3.4 X8=: :27.2(95)1.3X 0.6=: :0.78(96)9 X0.5 = :4.5 (97)3.5X 0.5 = :1.75(98)3.4 X 9 = :30.6(99)3.4X0.9 =: :3.06(100)6.5 X 0.5 = :3.25 1)7.4X6=: :44.4 (2)2.3X 5=:11.5 (3)5.1 X 0.4 = : :2.04 (4)9.6 X 4 = : :38.4 (5)5.4 X 5 = : :27 (6)1.5 X 0.8 =:1

8、.2 (7)9.4 X 2 =: :18.8 (8)1.6 X0.8= : :1.28 (9)7.5 X 0.7=: :5.25 (10)3.7X9 = : :33.3 (11)1.8 X 0.6 = : :1.08 (12)3.5 X 7 = : :24.5 (13)9.3 X 4 = : :37.2 (14)2.7 X 0.7 = : :1.89 (15)5.2 X 7 = : :36.4 (16)3.8 X 0.2 = : :0.76 (17)1.2 X 0.9 = : :1.08 (18)6.1 X 7 = : :42.7(19)3.8 X 0.7=: :2.66 (20)1.6 X

9、5 =:8 (21)5.9 X0.3=:1.77 (22)9 X 9 =: :81 (23)7.1 X0.3= : :2.13 (24)9.7 X 2=: :19.4 (25)5.8X0.8 = : :4.64 (26)1.7 X 6 = : :10.2 (27)9.6 X 0.5 = : :4.8 (28)1.8 X 4 = : :7.2 (29)4.3 X 0.6 = : :2.58 (30)1.3 X 9 = : :11.7 (31)2.9 X 8 = : :23.2 (32)5.6 X 7 = : :39.2 (33)5.3X0.6 =: :3.18(34)5.4X0.7 =: :3.

10、78 (35)5.3X0.2 = : :1.06 (36)8.3X 2=:16.6 (37)9.5 X 3 = : :28.5 (38)7.3 X 2 = : :14.6 (39)2 X 0.5 = : :1 (40)5.2 X 0.6 = : :3.12 (41)9.7 X 7 = : :67.9 (42)6.1 X 8 = : :48.8 (43)6.7 X 0.2 = : :1.34 (44)8.6X6 =: :51.6(45)3.1X0.5 =: :1.55 (46)8.2X6 = : :49.2 (47)1.5X 6=:9 (48)8.4 X 2 = : :16.8 (49)1.3

11、X 6 = : :7.8 (50)8.9 X 0.5 = : :4.45 (51)6.7 X 2 = : :13.4 (52)5.4 X 6 = : :32.4 (53)6.3 X 9 = : :56.7 (54)6.4 X 3 = : :19.2 (55)8.5 X 0.2=: :1.7(56)1.5X 0.5=: :0.75(57)3 X 0.4 =:1.2 (58)6.8 X 5 =: :34(59)8.7X0.3 =: :2.61(60)5.6X6 = :33.6 (61)5.5 X0.7 = : :3.85 (62)9.6 X 0.3=:2.88 (63)9.6 X 7 = : :6

12、7.2 (64)8.3 X 3 = : :24.9 (65)9.5 X 0.5 = : :4.75 (66)5.5X 9 = : :49,5 (67)1.9 X 9 = : :17,1 (68)2.2 X 7 = : :15,4 (69)3.8 X 0.9 = : :3.42 (70)1.8 X 0.7 = : :1.26 (71)4.6 X 0.2 = : :0.92 (72)1.3 X 0.2 = : :0.26 (73)4.3 X 0.9 =:3.87 (74)1.4X2=:2.8 (75)7 X5= : :35(76)2.5 X 7=: :17.5 (77)6.4X 0.4=:2.56

13、 (78)6.3X5=:31.5 (79)3.1X4 = :12.4 (80)5.8X0.7 = : :4.06(81)1.2X 8 = :9.6(82)6.5 X0.5 =: :3.25 (83)3.9 X0.9 =:3.51 (84)9.3X3 =:27.9(85)2 X 2=: :4 (86)3.7 X 5 =: :18.5 (87)1.1X 3 =:3.3 (88)6.5X5 =:32.5(89)2.7 X0.8= : :2.16(90)8.4X8 = : :67.2(91)4.2X0.8 = : :3.36(92)6.9X 2=:13.8 (93)6.6X2=:13.2 (94)9.

14、5X0.8 =: :7.6 (95)6.6X0.7 = : :4.62(96)1.7X 0.5 =: :0.85 (97)6.9X 9 =:62.1 (98)8.4 X 6 =:50.4 (99)9.4X0.5 = : :4.7(100)8.4 X 0.5 = : :4.2 (1)5.6 X 8 = : :44.8 (2)3.9 X 5 = : :19.5 (3)5.4 X 0.4 =:2.16 (4)7.3 X 0.2 = : :1.46 (5)9.4 X 8 = : :75.2 (6)3.8 X 0.3 = : :1.14 (7)8.6 X 0.4 = : :3.44 (8)7.3 X 4

15、 = : :29.2 (9)4.8 X 0.4 = : :1.92 (10)1.3 X 4 = : :5.2 (11)7.3 X8 = :58.4 (12)8 X 4 =: :32 (13)3.2 X 6 = : :19.2 (14)4.7 X 0.3=: :1.41 (15)4.6X0.9 = : ：4.14 (16)9.9 X 4= : :39.6 (17)8.2 X 0.5 = : :4.1 (18)8.2X0.5 = : :4.1(19)5 X 0.8 = : :4 (20)5.7 X 9 = : :51.3 (21)3.9 X 5 = : :19.5 (22)7.3 X 2 = :

16、:14.6 (23)5.3 X 3 = : :15.9 (24)6.7 X 0.2 = : :1.34 (25)4.3 X 0.5 = : :2.15 (26)4.7 X 0.4 =:1.88 (27)2.4 X 5 = : :12 (28)7.3 X 0.3 = : :2.19(29)3.8 X 0.9=: :3.42(30)7.3X 4 = : :29.2 (31)5.1 X 0.7 = : :3.57 (32)9.8X 2 =:19.6 (33)8.3X0.7 =: :5.81(34)4.3 X 0.6 = : :2.58 (35)9.5 X 0.3 = : :2.85 (36)9.9

17、X 5 = : :49.5 (37)3.4 X 2 =:6.8 (38)2.9 X 4 = : :11.6 (39)1.1 X 6 = : :6.6 (40)2.1 X 5 = : :10.5 (41)9.1 X 0.8 = : :7.28 (42)9.7 X 0.3 = : :2.91 (43)9.6X 0.5 =:4.8 (44)5.1X0.6 =: :3.06(45)5.5 X 8 = :44 (46)9 X8 = : :72 (47)5 X 4 =: :20(48)4.1 X 5=:20.5(49)1.4X0.3 = : :0.42 (50)2.4 X 9 = : :21.6 (51)

18、5.1 X 7= :35.7 (52)7.9X5 =: :39.5(53)4.1 X 9 = : :36.9 (54)1.6 X 2 = : :3.2(55)6.7 X0.8 = : :5.36(56)8.9X 0.7=:6.23(57)6.2 X 0.2 = :1.24 (58)2.6 X7 = : :18.2 (59)6.8 X 0.6=:4.08(60)5.6X9 = :50.4 (61)9.8 X 0.8= : :7.84 (62)9X 9 =: :81(63)3.8 X 7=:26.6(64)2.5X6 = :15 (65)1.7 X 5 =: :8.5 (66)4.6 X0.7 =

19、 :3.22(67)8.9 X 3=:26.7(68)7.9X 0.6 = : :4.74 (69)6.3 X 4 = : :25.2 (70)2.9 X 0.3 = : :0.87 (71)4.6 X 8 = : :36.8 (72)1.5 X 2 = :3(73)6.9X 0.7 =: :4.83(74)5.8 X 6 =: :34.8 (75)3.4X 0.5=:1.7 (76)1.9 X2=: :3.8 (77)8.3 X0.4=: :3.32 (78)7.4 X6 = : :44.4 (79)4.5 X3 =: :13.5 (80)5.9X4= :23.6 (81)8.9X0.2=

20、: :1.78 (82)4.9X 8 = : :39.2(83)7.5X 2= : :15 (84)1.5X7 =: :10.5 (85)8.3X0.4 = : :3.32 (86)6.1 X 0.6 =: :3.66(87)3.7 X 0.5 = : :1.85 (88)7.4 X 0.5 = : :3.7 (89)1.3 X 0.7 = : :0.91 (90)3.5 X 0.7 =:2.45 (91)9.9X 0.2 =: :1.98 (92)2 X7 =: :14 (93)4.4 X 0.8 = : :3.52 (94)8.5X4 = : :34 (95)9.8X 8 =: :78.4

21、 (96)9 X9 =: :81 (97)2.7 X 8 = : :21.6 (98)1.6X0.3 = : :0.48 (99)5.7 X 3 = : :17.1 (100)7.5 X 5 = : :37.5 1)4.1 X 0.7 = : :2.87 (2)3.9 X 5 = : :19.5 (3)8.5 X 2 = : :17 (4)7.7 X 6 = : :46.2 (5)4 X 9 = : :36 (6)1.7 X 2 =:3.4 (7)7.9 X 6 = : :47.4 (8)4.2 X 0.9 = : :3.78 (9)2.6 X 6 = : :15.6 (10)9.9 X 8

22、= : :79.2 (11)1.7 X 5 = : :8.5 (12)2.4 X 4 = : :9.6 (13)6 X 0.4 = : :2.4 (14)3.9 X 6 = : :23.4 (15)7 X 0.4 = : :2.8 (16)7.6 X 0.4 = : :3.04 (17)3.9 X 0.7 = : :2.73 (18)2.8 X 0.3 = : :0.84 (19)3 X 9 = : :27 (20)8.1 X 0.3 = : :2.43 (21)3.3 X 8 = : :26.4 (22)8.1X0.7 =: :5.67 (23)2.2 X 3 =: :6.6 (24)3 X

23、 6 = :18 (25)3.2 X 5 = : :16(26)4.3X7 = :30.1 (27)6.7 X 5 =: :33.5 (28)2.7 X 0.7= : :1.89 (29)1.4 X 0.9=:1.26 (30)1.6 X 9 = : :14.4 (31)8 X 0.8 = : :6.4 (32)5.9 X 2 = : :11.8 (33)3.6 X2 / 49 = : :32.4 (34)1.4 X 0.6 = : :0.84 (35)8.3 X 0.2 = : :1.66 (36)7 X 9 = : :63 (37)8.7 X 8 = : :69.6 (38)2.9 X 3

24、 = : :8.7 (39)6.7 X 0.2 = : :1.34 (40)1.6 X 0.8 = : :1.28 (41)9.6 X 2 = : :19.2 (42)5.4 X 5 = : :27 (43)5.8 X 0.7 = : :4.06 (44)3.7 X 0.2 =:0.74 (45)8.7 X 0.6 = : :5.22 (46)2.1 X 0.4 = : :0.84 (47)1.6 X 5 = : :8 (48)4.6 X 3 = :13.8(49)9.5 X 0.6=: :5.7 (50)5.6 X 9 =: :50.4 (51)5.9 X0.3 =: :1.77(52)9

25、X 2= : :18 (53)9X4= :36 (54)4.5X3=: :13.5 (55)4.4 X 6=:26.4(56)5.5X4=:22 (57)8.6X6 = :51.6 (58)6.6 X 0.2=:1.32(59)8.7X0.6=:5.22(60)2.4 X 0.6=:1.44(61)2.1 X0.2=:0.42 (62)4.4 X 0.8=:3.52(63)7.1X9=:63.9 (64)3.8 X 3 =: :11.4 (65)8.9X 7=:62.3(66)7.1X0.2=:1.42(67)3.9 X 0.5=:1.95(68)1.6 X0.7=:1.12 (69)3.9 X 0.9=:3.51(70)7.7X2=:15.4 (71)7X0.7 = : :4.9 (72)8.3X 4=:33.2(73)5.1X0.2=:1.02(74)9.2 X 0.8=: :7.36 (75)1.3 X 6= : :7.8 (76)6.8 X7 = :47.6 (77)2.2X3= :6.6 (78)3.2 X8= : :25.6 (79)6.8 X0.2 = : :1.36 (80)4.7 X 0.2 = :0.94(81)6.7 X9 = : :60.3(82)9.9 X 7 = : :69.3(83)3.3 X 0.2 =: :0.66(8