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
9÷9= 8 23+60= 56
23-8= 35+7= 5×6= 16 49-7= 7 91-20= 6 3×4= 8 36+8= 48
40+30= 40+3= 75-8= 81 4×7= 63 27-9= 24÷6=
30÷5= 6×9= 42+6= 32÷8= 8+23= 64÷8=
49-7=﹢8=54
97 42 5+5= 9×7= 1 / 4
54÷9×8=
×8= 42 ÷8= 27
÷4= 39+7= 51 ÷7= 8 ×7= 36 ÷2= 27 -9= 21 -9= 12
-23= 30+25= 67 9÷3= -9=
4÷2=÷9= 28
÷7= 7+58= 25+13=÷3= -42= 9 ×8= 63 ÷6= 24 ÷9= 28 ÷7= 46 ÷6= 6 ÷3= 35
18-6= 3×6÷2=
2 / 48
24÷4= ×6=
8÷8=÷7= 18÷6=×6= 46-30=÷3= 28÷4=-7= 2÷1=
÷9= 16÷2=÷8= 74+21=÷4= 35÷5=+9= 7×8= ×6= 20÷4=÷7= 24÷4=-15= 46+8=24-8÷2= ÷3= ÷4= ×2= 18+9 72728 4+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 = = = = = =
3 / 4
16÷2÷4 (18+27)÷9 18+9÷3 = = = = = = 56+12-4928÷7×9
= = = = 28–7×39+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= 将下列算式填在合适的()里。
4×5 12÷28×1 72÷8 42÷618-6 ()>()>()>()> ( ) > ( )–30+18=
4 / 4
35