两位数加减一位数(进位退位)口算练习.doc

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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date两位数加减一位数(进位退位)口算练习25+5= 34+9= 44+8= 49+5= 26+5= 36+6= 48+5= 25+7= 28+3= 38+5=25+5= 34+9= 44+8= 49+5= 26+5= 36+6= 48+5= 25+7= 28+3= 38+5=37+7= 55+7= 68+4= 29+4= 39+3= 25+9= 64+8= 27+9= 5

2、8+4= 58+3=47+5= 24+7= 85+9= 58+3= 29+6= 45+8= 66+5= 27+4= 76+4= 47+6=23+9= 98+6= 77+5= 33+7= 49+6= 38+3= 66+5= 38+4= 67+3= 28+4=29+2= 25+5= 58+7= 58+5= 37+5= 26+5= 36+5= 29+5= 36+6= 24+9=25-8= 41-2= 20-2= 50-6= 20-3= 62-4= 73-5= 80-4= 72-5= 62-4=72-4= 23-5= 82-5= 33-4= 20-4= 22-3= 82-3= 43-5= 71-6=

3、42-5=72-4= 91-2= 92-6= 84-5= 70-4= 82-6= 50-4= 90-2= 20-4= 62-4=32-5= 90-3= 21-4= 81-2= 20-2= 91-2= 90-4= 92-5= 62-5= 72-4=12+4= 16-5= 13-3= 19-4= 14-2= 15+4= 11+5= 18-6= 10+7= 10+5= 16+3= 11+1= 18-5= 15-4= 13+2= 12+5= 16-2= 19-9= 14+4= 18+1= 30+2= 20+8=70+8= 2+50= 83-3= 36-6= 4+70= 45-5= 67-7= 40+5

4、= 30+7= 89-9= 32-2= 40+7= 80+6= 58-8= 75-5= 62-2= 5+60= 90+1= 35+3= 86+2= 42+5= 99-6=35-2= 88-7= 76-4= 44+3= 5+21= 72+4= 68-5= 48-5= 57-3= 33+6= 36-9=26+2= 65-4= 48-6= 27+1= 62+7= 59-1= 50+8= 40+5= 46-6= 89-9= 42-3=20+9= 78+1= 22+7= 67-7= 35-2= 70+6= 27+1= 43+3= 45-5= 26+2= 70-2=60+4= 54-3= 41+3= 45

5、+2= 30+8= 58-8= 72-4= 88-9= 73-5= 70-6= 20-3= 25+5= 34+9= 44+8= 49+5= 26+5= 36+6= 48+5= 25+7= 28+3= 38+5=37+7= 55+7= 68+4= 29+4= 39+3= 25+9= 64+8= 27+9= 58+4= 58+3=47+5= 24+7= 85+9= 58+3= 29+6= 45+8= 66+5= 27+4= 76+4= 47+6=23+9= 98+6= 77+5= 33+7= 49+6= 38+3= 66+5= 38+4= 67+3= 28+4=29+2= 25+5= 58+7=

6、58+5= 37+5= 26+5= 36+5= 29+5= 36+6= 24+9=25-8= 41-2= 20-2= 50-6= 20-3= 62-4= 73-5= 80-4= 72-5= 62-4=72-4= 23-5= 82-5= 33-4= 20-4= 22-3= 82-3= 43-5= 71-6= 42-5=72-4= 91-2= 92-6= 84-5= 70-4= 82-6= 50-4= 90-2= 20-4= 62-4=32-5= 90-3= 21-4= 81-2= 20-2= 91-2= 90-4= 92-5= 62-5= 72-4=12+4= 16-5= 13-3= 19-4=

7、 14-2= 15+4= 11+5= 18-6= 10+7= 10+5= 16+3= 11+1= 18-5= 15-4= 13+2= 12+5= 16-2= 19-9= 14+4= 18+1= 30+2= 20+8=70+8= 2+50= 83-3= 36-6= 4+70= 45-5= 67-7= 40+5= 30+7= 89-9= 32-2= 40+7= 80+6= 58-8= 75-5= 62-2= 5+60= 90+1= 35+3= 86+2= 42+5= 99-6=35-2= 88-7= 76-4= 44+3= 5+21= 72+4= 68-5= 48-5= 57-3= 33+6= 36-9=26+2= 65-4= 48-6= 27+1= 62+7= 59-1= 50+8= 40+5= 46-6= 89-9= 42-3=20+9= 78+1= 22+7= 67-7= 35-2= 70+6= 27+1= 43+3= 45-5= 26+2= 70-2=60+4= 54-3= 41+3= 45+2= 30+8= 58-8= 72-4= 88-9= 73-5= 70-6= 20-3= -