1 二年级下册口算比赛
一、口算
2×9= 81÷9= 16÷8= 20-5= 48÷6=
36+6= 4×6= 66-8= 5÷5= 53﹢9=
40+57= 25-8= 24÷6= 18-6= 15÷3=
7+65= 72÷8= 9×4= 15÷3= 66-8=
40÷8= 82﹢8= 54÷9= 28÷7= 18÷6=
9÷9= 8×8= 42÷7= 7+58= 25+13=
23+60= 56÷8= 27÷3= 8×6= 46-30=
23-8= 35+7= 97-42= 9÷3= 28÷4=
5×6= 16÷4= 39+7= 51-7= 2÷1=
49-7= 7÷7= 8×8= 63÷9= 16÷2=
91-20= 6×7= 36÷6= 24÷8= 74+21=
3×4= 8÷2= 27÷9= 28÷4= 35÷5=
36+8= 48-9= 21÷7= 46+9= 7×8=
40+30= 40+3= 42÷6= 6×6= 20÷4=
75-8= 81-9= 12÷3= 35÷7= 24÷4=
4×7= 63-23= 30+25= 67-15= 46+8=
27-9= 24÷6= 18-6= 3×6÷2=
30÷5= 6×9= 5+5= 54÷9×8=
42+6= 32÷8= 9×7= 24-8÷2=
8+23= 9÷3= 24÷4= 18+9÷3=
64÷8= 72-9= 7×6= 28÷4=
49-7= 4÷2= 8÷8= 4+2×2=
2 二、填空。
( )×( )=24 ( )×( )=24
( )×( )=24 ( )×( )=24
( )÷( )=3 ( )÷( )=3
( )÷( )=3 ( )÷( )=3
三、 用递等式计算。
5×7-8 35+25-16 24-8÷2
= = =
= = =
16÷2÷4 (18+27)÷9 18+9÷3
= = =
= = =
56+12-49 28÷7×9
= =
= =
28–7×3 9+6÷3
= =
= =
四、笔算。
46+57= 60-27= 82-55=
35+24-18 90-23-18= 61-36+47=
39+15= 71–92= 9+53–62= 35–30+18=
将下列算式填在合适的( )里。
4×5 12÷2 8×1 72÷8 42÷6 18-6
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