文档介绍：两位数加减一位数的进位加法、退位减法口算练****题(一)
14+6=       18+2=       16+4=       
24+6=       27+3=       90-1=       
80-2=       70-3=       20-4=       
30-5=       28+3=       35+5=       
36+4=       45+5=       48+2=      
80-6=       70-7=       51-5=       
41-6=       21-7=       54+7=       
45+7=       48+4=       36+7=       
49+2=       61-8=       62-9=       
63-4=       43-5=       33-6=      
49+3=       56+6=       63+8=       
64+6=       54+6=       23-7=       
51-9=       60-8=       30-9=       
11-2=       56+5=       63+7=       
49+1=       64+7=       72+8=      
71-3=       61-4=       14-7=       
84-8=       94-9=       16+5=       
18+3=       24+7=       27+5=       
28+6=       25-6=       42-3=       
52-4=       42-5=       52-6=      
35+6=       16+6=       18+5=       
27+6=       28+4=      70-7=       
86-7=       80-8=      40-9=       
51-2=       36+8=      45+6=       
48+3=       54+8=      49+4=      
51-3=       61-4=      75-9=       
16-8=       96-9=      56+7=       
16+7=       18+4=      27+4=       
28+5=       67-8=      78-9=       
67-9=       32-5=      72-6=      
36+5=       45+8=      48+6=       
49+5=       56+4=      16-8=       
46-9=       51-9=      22-3=       
22-4=       18+6=      27+7=       
28+2=       36+6=      27+8=      
23-9=       94-5=      77-8=       
60-4=       80-5=