精品文档---下载后可任意编辑两位数加减一位数的进位加法、退位减法口算练习题(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= 48+5= 49+6= 18+8= 48+7= 18+7= 50-6= 60-7= 90-8= 50-9= 91-2= 7+56= 9+35= 4+36= 8+49= 6+68= 42-7= 32-