二年级下册数学口算练习题(10套)

二年级下册数学口算练习题(10套) 口算练（一）

12-36÷9=8

12÷4×3=9

56÷8×5=35

14÷7+68=70

58+35÷7=63

9×4+56=92

9×8-15=57

2÷1+41=43

4×2+23=31

29+2×7=43

42÷6+35=42

64÷8×6=48

55+3×9=82

75+4×4=91

35÷7+57=62

1×7+88=95

22-20÷5=18 68-7×9=5

9×7-32=41 32÷8-1=3 66-6÷2=63 4×4÷2=8

50-9×3=23 83-25÷5=78 32-8÷2=28 8×4+29=61 15÷5×8=24 58+3×2=64 63÷9×3=21 95-6×9=49 64÷8÷4=2 16+9×6=70 30-3×4=18 73-7÷1=66 5×5-17=8 29+30÷5=35

30÷5+77=93 67+9×3=94 43-9×4=7

8÷4÷2=1

81-28÷7=77 16÷8-1=1 27÷9-3=0 27+5×1=32 40÷8×9=45 2÷1+35=37 67+7÷1=74 87+14÷2=94 31-10=21 65-16÷2=57 30÷6×7=35 9×6-34=20 4×9÷6=6

45-5×9=0

8×3+38=62 79+40÷5=87

51-16=35

6÷2+30=33 98-9×3=71 82-4=78

8÷4+48=50 9×9=81

3÷3+28=29 9÷9+37=38 24+12÷2=30 9÷3+63=65 7×5+7=42 6÷3×6=12 9×2÷6=3

64+7×4=92 2÷1=2

7×8-21=35 5×7+58=93 8×8+9=73 39+40÷8=44 9×3+27=54

15÷5×9=27 4÷1=4

12÷3÷4=1 7×7=49

3×8÷4=6

2×1-0=2

5×1+15=20 3÷1+75=78 3×7-12=9 83-9×9=-4 40÷8-1=4 36+8÷1=44 21÷7+49=52 42÷7÷2=3 7+4×9=43 77+32÷8=81 18÷9-1=1 95-49÷7=88 72÷9×8=64 7×7+45=94

39-42÷7=33

63-24÷3=55

7×8+42=98

19+9×2=37

25÷5×8=40

19+2×8=35

6÷6+77=78

口算练（二）

删除该段落，因为没有给出任何内容。

There seems to be a list of math problems。but there are

some formatting errors and some paragraphs that don't make sense。Here is a XXX:

38-72÷9= -2

9-2)÷7= 1

9+0)×6= 54

51-6)÷9= 5

28÷(16-9)= 4

99-8×4= 67

5-2)×7= 21

9-5)×8= 32 29+19)÷8= 6 53-32÷8= 49 40÷8×3= 15 35-4×7= 3

7×(11-6)= 35 3×(6+3)= 27 10-3)×7= 49 10+8)÷9= 2 72÷(4×2)= 9 5×4-11= 9

4×(23-17)= 24 5×7+56= 91 25÷(31-26)= 5 27-15)÷3= 4 77-14)÷7= 9 48÷(22-16)= 8 13-7)÷3= 1

8÷(21-19)= 4 51-11)÷5= 8 24+5= 29

63-24÷3= 55 80-6= 74

28÷(2+2)= 7 27÷(19-16)= 9 65+2×8= 81 74+2×9= 92 77+49÷7= 84 7-1)= 6

6×(4+5)= 54 42÷7×6= 36 38-2)= 36

28+16÷4= 32 45-2= 43

8÷(24-16)= 1 5-2)= 3

21÷(24-17)= 3 18+21= 39

36-18÷3= 30 51-4= 47

84-9×8= -3 8+1)= 9

79+56= 135 1+46= 47 89-9= 80

9-66= 9

27= 27

6= 4

61-5= 56

11-4)= 49 17+3= 20

1÷3= 0

6= 6

8= 92

14-5)= 81 89+15= 104 11-4)= 13

5+38= 63

4+23)= 27

6×4= 4

9= 81

12= 12

13-5)= 64

6= 8

48+2= 50

8= 72

3= 75

57+4= 61

3= 20

XXX 124

9= 135

5= 20

The list now consists of correctly XXX as all of them were part of the original list.

口算练（三）

2+6)×7=56