1、20以內的加減法練習題10+8 =10+ 2 =13 + 2 =8+2+ 3=8+10=17- 7 =19-3 =9+ 1 + 4=18-8 =10+ 8 =3+11 =7+3+ 5=18-10 =3+10 =16-4 =7+4+ 6=10+1 =10+ 2 =19-4 =7+8+ 3=1 + 10=10+ 10=19-5 =6+4+ 7=11-1 =14-4 =15-3 =8+2+5=11-10 =18- 8 =10+4 =5+4+6=6+10=6+10 =13-3 =7+2+3=16-6 =10+ 9 =14-1 =3+4+ 10=16-10 =8+10 =10 + 2 =11-1-5=1

2、0+3 =13- 3 =13-3 =17-7-3=3+10=5+10 =3+15 =19 9+1 =13-3 =16-10=18-8 =15-5-7=13-10 =11-10=5 + 5=13-3-4=10+5 =13- 10=4 + 6=18-10-4 =5+10=18- 10=20-20 =17-10-7 =10+8 =10- 10=12 + 4 =1410+5 =3+10=10+ 9 =8 -8=1610+3 =11-1 =10-5 =10+0 =20-10-7 =20以內加減法口算練習題（一）（共80題）姓名： 時間:做對了題20以內加減法練習題（二）（共100題）姓名：時間：_做對了

3、 _題9+1 =8+7=8 + 4=9+7 =9+7=8+2=7+9=8+5=6+ 6 =6+ 5=8+3=7+5=9+ 6=4+ 9 =2+8=2+9=8+ 6=6+ 8=6+ 5 =7+7=19-9 =8+8=7+9=5+8 =8+8=9+3=7+4=8+10=5+7 =4+8=8 + 4=8+5=7 + 4=8+7 =8+ 6=5+9=7+7=5+7=4+8 =7+ 6=8+ 6=6+ 5=9+2=8+ 6 =3+9=4+ 9=1 + 9=7+8=7 10=5 9=5+9=7+3=9+8=2+8 =3+8=6+9=6+7=9 + 2=10-9=6+4=7 + 9=5+ 6=8 + 3=2

4、+10=7+2 =8+9=8 5=6+7=9+ 8 =6+9=9+ 0=10-7=8 + 4=6+ 3 =6+8=5 + 8=6+7=1 + 9=10+4=5+10=8+ 9=2+9=10-5 =6+8 =133=9+ 9=9+4=9+ 5=9+ 3 =3+8=9 + 3=5+ 9=8+2=7+4 =6+7=3+8=9+ 5=9 + 3=8+ 3 =5 4=8 + 2+ 4 = 7+3+2= 8 + 2+ 6 8 2 + 6 = 4+4 2 6+2+7=3+6+9=2+6+5=7+25=4+5+8=2+3+4=6+ 3 + 8=20以內加減法練習題（三）姓名：時間：做對了題（共80題）8+ 9

5、=9 + 8=7 + 6=7+5=6+2+7=10+8 =8+ 5=9+ 6=6+9=4+5+2=5+ b=9+5=7+8=9+5=3+5+7=4+ 6=5+ 9=6+7=7+7=4+4+6=9 + 4=8+4=9+7=9+ 4-4+3+2=7 + 4=6+5=8 + 6=7+8=4+6+5 =8 + 4=6 + 6=6+8=9+ 67+ 2 + 4=10-2 =7+7=8+5=8+ 3=2+6+5=2+9=9+7=5+8=7+ 4=7+1+7=7 + 5=8+8=8 + 4=9+ 9=6+3+4=18 2 =9 + 2=4+8=8+ 4=6+1+5=10+5 =5+ 7=9 4=7+ 6=5

6、+2+4=9+6=9+5=7 + 6=9+ 4=3+5+9=8 + 4=7 + 9=6+7=6+8=6+4+1=9 + 4=8+10=7 + 5=7+ 9=3+6+5=8+7=6+10=5+7=9+8=7+2+6=9 + 2=8 + 6=4+7=9+ 3=4+ 4 + 9=7 + b=19-7 =7 + 4=8+ 4=9+1+9=7 + 9=7 + 3=9 + 3=8+ 3=8+2+2=8+ 5=2 + 8=6+6=6+6=7+ 3 + 1 =20以內加減法練習題（四）姓名：時間：_做對了 _> （共 80 »7+3+4= 9+1+8= 8+2+5=5+4+9=5+2+2=3+

7、 6+4 = 5+2+7=73+6= 72+7=4+23=6+ 3+4 = 4+2+5=7+2+7=8+1+2= 1+8+5=6+3+9=101 + 2=6+3+7=5+4+7=4+5+8=1 + 0+7 =9 6 1 = 5+4+6=5+1+7= 2+3+9=7+2+6= 9+1+5= 7+3+2=10+8 4= 72+9= 6+2+7=8+2+7=63+9=5+1+7=92+7=82+8= 94+7=82+7=94+7=6+2+9= 82+3=94+6= 4+3+5=6+23= 3+9+6=10 5 + 4 =3 + 4+ 6= 96+4=4+5+8= 7+57=10 4 0 =3+3+2

8、=2+2+4=4+8+7= 10+2+7 =12+6 5 = 7-7+5=8+2+7=8-3+7=5+2+3= 6+2+2=3+3+1=2+3+5= 3-0+7=5-5+5=7-3+4= 6+26=8-7+6=認數基本題（一）姓名：時間：做對了題1個十和6個一合起來是（）1個十和2個一合起來是（）14里有（）個十和（）個一1個十和7個一合起來是（）9個一和1個十合起來是（）（）個十和（）個一合起來是132個十是（）20里面有（）個一18里有（）個十和（）個一1個一和1個十合起來是（）6個一和（）個十合起來是16（）個一和1個十合起來是13比14大，比17小的數有（）18接近10還是20?（）個

9、位上是7,十位上是1,這個數是（）十位上是2,個位上是0,這個數是（）個位上是1,十位上是5,這個數是（）一個數比16大，比19小，這個數可能是（）按規律填數:0、 2、（）（）、10、（）20以內的加減法（三）5、10、15、（）、（）、（）、（）、（）、（）、'（）、（）10、20、（）、，（）、）、（）、（）、（）、（）、（）1、 4、 7、（）、（）、（）、（）20以內的加減法：（一）9+2=3+8=11-5=16-8=12-4=6+5=13-5=3+9=4+7=9+9=18-9=15-4=17-7=5+7=7+7=11-2=11-3=15-7=12-6=4+8=6+8=14-

10、8=9+6=12+3=11-4=5+8=2+9=16-8=15-8=6+10=15-3=6+7=9+8=3+9=15-6=14-9=8+7=16-7=5+6=19-9=20以內的加減法：（二）13-7=14-9=9+5=12-8=15-7=8+9=15-9=10+6=7+8=8+3=7+5=17-8=9+4=13-9=7+6=12-9=9+6=8+5=16-8=7+4=8+6=10+5=9+9=14-7=18-8=14-9=18-9=8+8=3+9=11-7=14-2=6+7=11-3=5+6=15-8=6+6=11-2=16-9=4+8=16-8=15-7=13-7=12-8=7+4=16-

11、7=15-8=13-9=11-7=8+5=10+3=9+3=14-7=7+8=13-8=9+5=16-9=9+4=5+8=17-8=9+6=8+6=14-8=17-7=12-3=15-8=13-4=18-4=12+3=16-8=6+6=15-9=7+5=6+5=12-4=6+7=16-8=15-6=12-6=14-5=18-9=20以內的加減法（四）9+3=12-5=4+9=6+7=3+8=17-7=12-10=7+6=10+6=16-7=9+6=8+5=8+7=4+13=11-1 =13-4=11-2=12-7=17-9=6+6=5+6=9+8=15-9=7+7=6+8=13+6=8+4=1

12、6-2=8+8=7+9=10+2=11-6=6+5=4+7=13-8=11-9=14-6=3+9=12-8=15-7=20以內加減法練習（一）18- 5 = 16-10 =7 +10 =4 0 = 10-10 =0 +16 =13+ 4 =3 +12 =2 +14 =14- 3 =12- 0 =3 + 5 =11+ 1 =3 + 4 =12+ 5 =15- 3 =12+ 3 =2 + 6 =10+ 7 =9 - 9 =16- 1 =15- 3 =19- 1 =2 + 6 =17-11 =5 4 =9 - 0 = 18-12 =9 - 0 =2 + 2 =6 5 = 0 + 0 = 11-10

13、=11- 1 = 11+ 0 = 10+ 7 =17- 1 = 1 +14 = 14+ 1 =9 - 8 = 17-12 = 19- 5 =1 +12 =4 +12 = 19-13 =6 5 =2 + 6 = 18-13 = 16-14 =13+ 6 =9 4 =18+ 1 =17-17 =15- 0 =13-12 =15-13 =0 +17 =11+ 4 =3 - 1 = 13-10 =0 + 1 =16+ 2 =14+ 2 =10+ 8 =11+ 5 =1 +17 =7 - 3 =11+ 1 =11+ 2 =4 3 =13+ 1 =19-18 =12+ 7 =17- 5 = 16- 1 =

14、6 +10 = 10+ 2 =4 + 1 =4 +12 = 14+ 1 =7 - 2 = 10+ 4 =13- 2 = 15+ 4 = 19-14 =16- 4 = 4 +12 = 17-15 =16+ 1 = 11+ 5 =12+ 4 = 17-10 = 13+ 2 =1 +14 = 11+ 1 =2 +11 = 3 + 1 =3 + 4 =18- 2 =5 + 4 =20以內加減法練習（二）2 - 2 =13- 3 =18-11 =6 3 =7 - 1 =11-10 =0 +11 =17-13 =17- 3 =8+0 =53 =14- 2 =17-14 =19-15 =1 + 3 =5 2

15、 =14+ 5 =10+ 8 =1 + 8 =17-11 =15-11 =86 =8 - 7 =11+3 =17- 4 =7 - 3 =8 6 =17+ 0 =13+ 1 =0 +10 =11+ 3 =5 +10 =2+2 =1 - 0 =17- 1 =9 一 8 =5 3 =16-14 =18- 2 =5 +11 =7 6 =1 + 3 =2 - 1 =12+ 6 =11-10 =7 - 4 =15- 2 =2 +17 =5 +12 =7 +11 =6 0 =0 +18 =2 2 =5 +14 =6 1 =5 +10 =5 5 =3 +11 =9 5 =13-10 =7 3 =0 + 4 =

16、3 +12 =11+ 2 =10+ 5 =12+ 6 =2 +10 =9 - 1 =9 - 3 =7 6 =16-14 =16-13 =5 +14 =16-12 =18- 7 =7 +11 =10+ 3 =1 + 7 =11+ 0 =2 + 6 =12-10 =19-11 =10+ 3 =19- 8 =17+ 0 =2 - 2 =9 8 =3 - 0 = 14-12 =11- 1 =10+ 9 =8 +10 =9 - 5 =8 - 2 =19- 3 =5 - 2 =3 +11 =14+ 4 =7 + 2 =4 + 5 =20以內加減法練習（四）19- 5 = 12-11 = 16-16 =18

17、-11 = 15-11 =1 + 7 =6 - 3 =6 6 = 12+ 3 =8 - 0 =2 + 4 = 17-10 =2 +14 = 17- 2 =0 + 1 = 12-11 =14+ 5 = 12+ 4 =6 +10 =6 +12 = 17-14 =5 - 3 =4 3 = 13- 1 =1 +10 =10+ 1 =3 + 3 =1 + 8 =18- 7 =12+ 3 =18-16 =13- 1 =0 +19 =2 +11 =1 + 5 = 19-17 =1 +15 =5 +13 =2 + 3 = 18-12 =4 +11 =19- 1 =17-11 =17-16 =12-10 =11

18、+ 1 =19-19 =3 + 1 =15- 3 =7 +10 =2+15 =18- 4 =1 +13 =0+19 =18- 13 =18- 6 =19- 15 =9 - 2 =7 - 3 = 15+ 3 =3 + 6 =7 6 =15+ 1 =14+ 0 =18- 8 =12+ 7 =14+ 1 =5 + 3 =18- 1 =5+10 =19- 17 =4 + 3 =4 - 2 =7 - 1 =15- 10 =19- 5 =19- 10 =14- 4 =12+ 1 =6 0 =9 - 1 =8 - 0 =3 - 3 =13- 2 =18- 15 =2 - 1 =3 + 6 =19- 7 =1

19、3+ 0 =0 + 1 =3+13 =3+12 =17- 11 =2 + 3 =3 + 6 =4 + 5 =7 + 1 =1 + 7 =12+ 2 =18- 6 =1 + 7 =1 +18 =17+ 0 =19- 4 =0 + 9 =4 3 =17+ 2 =1 + 7 =18- 8 =11-10 =15-12 =4 + 3 =8 一 4 =10+ 2 =13- 3 =15- 1 =16+ 2 =1 + 2 =17-16 =18-17 =6 5 =16+ 1 =7 - 1 =1 + 2 =15-11 =3 - 2 =13- 0 =16- 4 =11+ 2 =4 +10 =0 + 5 =16+ 1

20、 =10+ 8 =3 - 0 =12-10 =15-11 =3 +14 =6 - 2 =7 - 4 =1 +12 =16- 2 =10+ 7 =14+ 3 =1 + 2 =12+ 3 =6 + 2 =4 +15 =15- 1 =12+ 3 =19-18 =18- 3 =15- 0 =2 - 2 =3 +15 =0 +11 =9 - 0 = 12-10 =5 + 2 =0 - 0 =7 - 3 =6 +10 =2 +13 =9 - 1 =15- 11 =4 +15 =10+ 3 =2 + 5 =11+ 8 =5 +14 =17- 15 =16+ 3 =2 + 3 =17- 6 =16- 1 =1

21、1+ 6 =16-14 = 19-19 =12-12 = 3 - 0 =4 0 = 19-18 =9 - 1 = 17- 6 =19- 1 = 12-11 =1 +13 = 18- 2 =2 +14 =8 +10 =2 + 4 =1 + 14 =2 + 6 =1 + 1 = 12+ 4 =6 - 1 =1 + 14 = 18-13 =3 +15 =5 +12 = 11+ 2 =20以內加減法練習（五）19+ 0 =4 + 2 =7 + 1 =10+10 =2 +10 =15-13 =60 =13+ 4 =18- 6 =9 - 0 =14- 2 =0 +17 =19-19 =16- 3 =12+

22、 5 =6 + 1 =14-10 =6 - 1 =18- 2 =19- 1 =16-14 =17-14 =1 +14 =2 + 6 =19- 5 =1 +18 =16-15 =5 - 2 =6 1 =0 + 4 =5 +14 =8 - 0 =0 + 0 =18- 4 =8 0 =18- 6 =10+ 6 =1 +14 =18- 4 =10+ 3 =9 - 5 =16- 6 =15- 5 =19-13 =16-14 =2 +12 = 17+ 2 =16-11 =7 + 2 =6 5 =7 1 =1 - 1 =2 + 4 =1 + 0 =18-15 =3 + 0 =12+ 7 =19- 8 =1

23、+16 =9 - 2 =19-14 =5 + 4 =3 +13 =7 +11 =5 - 1 =4 + 1 =13-10 =5 + 3 =11+ 5 =15- 4 =11+ 3 =4 +14 =12-10 =14-10 =15- 5 =1 + 16 =17- 16 =19- 17 =1 +11 =12- 1 =1 + 15 =15-11 =13+ 5 =1 + 13 =2 + 10 =12- 2 =18- 6 =17- 5 =16- 13 =5 + 1 =9 - 9 =3 + 14 =15+ 4 =5 + 3 =19- 8 =19- 5 =13- 3 =19- 8 =9 6 =4 + 12 =2

24、0以內加減法練習（六）10+ 6 =2 +15 =2 +17 = 15-15 = 14-12 =1 +15 =1 + 8 =3 + 2 = 13-12 =18- 4 =2 + 5 = 17-12 =4 - 1 =15- 3 =18- 6 =6 +13 =18- 1 = 12-11 =1 +13 =3 +12 = 14-10 =7 +11 =3 +12 =1 + 4 = 14+ 3 =0+16 =2 +12 =10- 10 =12- 1 =15- 2 =0 +11 =15+ 0 =6 - 1 =1 + 3 =13- 11 =10+ 5 =12-12 =5 - 2 =1 +14 =1 +10 =1

25、 +14 =3+10 =17- 16 =12+ 2 =16+ 2 =11+ 6 =10+ 6 =17- 5 =18- 3 =16- 2 =16- 2 =19- 7 =0 +11 =11+ 0 =0 + 9 =5 + 0 =5 + 0 =9 + 0 =9 - 7 =3 +11 =6 +10 =2 + 5 =6 +12 =15- 5 =8 + 1 =14+ 4 =10+ 9 =10+ 3 =7 - 4 = 19-16 =2 + 4 =19- 3 =1 + 7 = 15-12 =19- 1 =18- 16 =14- 13 =7+11 =1 + 2 =17- 10 =14+ 0 =16- 1 =8 -

26、 7 =18- 4 =15- 14 =17- 17 =10+ 8 =2 - 1 =9 - 2 =14+ 5 =8 - 7 =3 + 4 =12+ 4 =19- 10 =2+12 =16+ 3 =11+ 8 =19- 4 =4 3 =3+16 =20以內加減法練習（八）4+4 =14+ 3 =12+ 7 =15-14 =53 =8 + 0 =6 3 =16- 2 =11- 0 =10+ 6 =15-12 =10+ 2 =11+ 1 =6 + 2 =2 +13 =1 +12 =18+ 1 =1 +14 =17-15 =7 - 1 =1 +15 =3 - 0 =3 +13 =5 +12 =18- 1

27、 =5 + 3 =10+ 3 =14- 2 =2 +13 =1 - 0 =11- 1 =14-10 =13-10 =14- 3 =19-18 =17- 3 =13-10 =12- 2 =13+ 4 =9 1 =12-12 =19-10 =2 + 3 =19- 1 =19-18 =7 - 0 =0 +10 =19-18 =8 一 8 =10+ 7 =16- 0 =9 +10 =18+ 0 =19-19 =13-11 =14-13 =14- 2 =4 + 3 = 19-18 =7 3 =2 + 10 =17- 6 =5 + 2 =2 + 1 =15- 2 =19-12 =16-16 =1 + 4

28、=19-18 =7 - 1 =11+ 0 =15-10 =15+ 2 =17- 3 =3 +16 =15-12 =18- 3 =6 - 1 =1 + 4 =11+ 2 =16+ 2 =18-17 =6 +12 =2 +11 =0 + 5 =1 + 2 =19- 5 =11+ 4 =7 +12 =4 - 1 =1 - 0 =2 + 2 =17- 1 =12-11 =8 6 =17- 1 =17- 5 =8 -7 =8 + 0 =6 1 =50 =9 +10 =11+ 7 =1 + 8 =19- 4 =18- 5 =14+ 2 =4 +13 =3 +16 =16 6 =86 =1 +15 =17-

29、15 =18-10 =10+ 5 =16-15 =3 +11 =2 +12 =12+ 2 =2 +16 =0 +18 =13+ 0 =3 + 6 =2 + 3 =3 0 =14 11 =16- 0 =12- 2 =19-15 =8 +11 =3+4 =2 + 7 =11-10 =6 +10 =4 + 2 =6 5 二14+ 1 =15-10 =8 - 8 二16+ 2 =11-10 =11-10 =16-11 =7 3 =18-14 =2 + 2 =4 +12 =17+ 2 =11+ 5 =8 + 0 =5 + 3 =15 1 =9 一 8 5 + 3 =14-12 =15- 1 =2 - 2

30、 =17+ 2 =94 =1 +12 = 17-16 =1 +18 =5 + 3 =2 1 =1 + 7 =1 +12 =7 - 7 =14- 1 =17- 6 =5 + 2 =9 一 5 =3 +13 =0+4 =3 +10 =0 +11 =6 5 =3 + 6 =17+ 1 =18- 7 =18-18 =4 + 3 =8 + 1 =10+ 3 =13-11 =16- 5 =2 1 =1 +17 =10+ 3 =6 + 3 =7 +10 =5 +12 =11+ 2 =53 二16- 3 =12+ 1 =9 5 =20以內加減法練習（九）18-11 =10+ 7 =15- 12 =1 +16

31、=1 +16 =5 - 5 =3+3 =10+ 6 =18-12 =7 - 7 =4 一 1 二12- 1 =0 + 1 =7 一 0 二1 + 10 =15 5 =2 + 3 =19 9 =17 4 =11 + 2 =44 =16+ 1 =6 2 -16- 1 =16+ 3 =5 5 =18+ 0 =7 +11 =5 +12 =13- 2 =2 + 6 =8 一 4 16+ 3 =1 +13 =4 0 =7 2 -18-10 =17- 5 =8 3 0 +11 =9+0 =16 6 =16- 0 =2 + 4 =13+ 3 =4 0 =3 + 2 =16-12 =17 4 =0 +16 =0

32、+6 =19+ 0 =10+ 4 =8 2 3 + 11 =2+6 =11 + 3 =19 5 =2 + 11 =11+ 3 =10+10 =16-14 =9 4 =4 + 3 =5 4 7 5 5+4 =5 - 3 =17- 3 =17 4 =14 2 =2 + 1 =15+ 3 =1 + 4 =19- 17 =7 + 2 =17-16 =15 4 =15- 12 =14-12 =3 + 3 =5 + 1 =19- 5 =18-16 =2 + 6 =18 8 =2 + 16 =8 5 =15+ 1 =7 - 3 =5 2 =16-13 =14+ 3 =14+ 1 =13- 2 =3 +14

33、=12+ 3 =10+ 6 =3 + 15 =13- 2 =20以內加減法練習（十）1 +16 =7 - 5 =5 +10 =11+7 =7 - 1 =8 - 2 =2 + 4 =1 +16 =15 4 =15-10 =15- 2 =15 4 =11-10 =19-19 =5 +10 =9 一 2 18- 5 =2 + 2 =4 +10 =12- 1 =17-16 =9 一 3 17- 2 =17-14 =13+ 6 =14+ 2 =7 - 1 =2+5 =9 6 =17+ 0 =11+ 0 =2 + 3 =16- 3 =15+ 2 =15- 2 =2 +10 =7 3 =14+ 2 =4 +

34、 15 =1 + 1 =17- 3 =1 +10 =8 7 =19 9 =17- 3 =12-11 =10+ 9 =4 +15 =7 6 =1 + 2 =1 +14 =10- 0 =11+ 6 =10+ 6 =19- 2 =5+2 =12+ 3 =18-10 =16-14 =3 3 =5 +14 =2 +10 =12+ 0 =13- 0 =19- 3 =8 6 = 19-18 =11+ 1 =3 + 0 =3 + 1 =3 +10 =19- 6 =3 + 2 =16- 5 =6 2 =3 +14 =15+ 1 =8 一 8 二1 + 0 =15-10 =4 + 10 =15-14 =17- 4

35、 =8 +10 =0 +19 =8 4 =7 +11 =4 + 3 =12- 12 =15- 2 =10+ 1 =8 2 =16+ 3 =19- 5 =17-12 =5 1 =2 +10 =1 + 1 =3 +10 =18- 1 =20以內加減法練習）0 +11 =5 +14 =0 + 7 =19 16 =0 + 0 =18- 13 =0 +11 =1 +17 =0 + 2 =0 + 3 =1 + 15 =9 一 9 二3 +12 =16 - 0 =0 + 0 =19 6 =2 +13 =1 + 10 =5 +12 =12+ 7 =8 7 =9+0 =3 +12 =0 +11 =12+ 0 =

36、18-11 =1 + 4 =1 +15 =2 + 4 =16+ 1 =18 7 =19-11 =10+ 9 =16 5 =1 + 7 =12- 10 =5 一1=10+ 4 =11+ 3 =15 3 =15 4 =17- 1 =18 8 =6 4 =14 10 =9 - 1 =19- 10 =2+2 =19 6 =8 4 =2 +11 =12+ 1 =17-14 =18 6 =3 +10 =14-12 =12- 1 =14+ 1 =16-11 =13-11 =5 +10 =15+ 2 =1 + 18 =12+ 1 =19- 2 =7 6 =6 1 =17+ 2 =7 - 1 =19-14 =9

37、 - 2 19- 18 =1 +11 =2 + 10 =18 3 =0 + 6 =18- 1 =13-10 =10-10 =17- 3 =2 +13 =7 4 =5 + 1 =19- 5 =6 +11 =6 5 =7 + 2 =17-15 =3 + 5 =3 + 1 =7 + 1 =17- 2 =4 + 3 =2 +16 =2 +14 =17-10 =1 + 7 =7 + 1 =7 6 =10+ 9 =20以內加減法練習（十二）14+ 4 =18 5 =7 +10 =5 +12 =2 + 4 =9 一 8 12+ 3 =1 + 1 =6 +11 =13- 2 =12+ 7 =13-10 =5

38、+13 =19- 1 =2 +13 =4 +13 =10+ 2 =1 +18 =12+ 4 =2 + 1 =4 +13 =13+ 2 =6 2 -4 - 1 =0 + 3 =14+ 4 =7 + 0 =18- 3 =7 - 1 =10+ 1 =1 + 14 =9 5 0 +17 =6 +12 =2 +10 =16-13 =2 +10 =4 4 =2 +15 =9 一 0 =6 +13 =18-11 =0 +16 =6 一 6 5+1 =16-14 =4 +12 =16- 14 =17-11 =0 +12 =2 + 6 =19- 3 =18- 12 =7 5 =17- 14 =6 + 1 =6

39、1 =15- 14 =5 +11 =5 + 2 =12+ 3 =0 +18 =19-13 =6 5 =3+6 =1 + 8 =8 一 2 -3 +13 =7 5 =16+ 3 =10+ 0 =6 +12 =18-12 =3 +11 =5 +12 =7 4 =2 +17 =7 +11 =1 + 15 =0 + 17 =16 5 =7 + 0 =6+0 =16-14 =3 + 1 =12+ 5 =18+ 0 =15 4 =12+ 1 =4 + 4 =3 +10 =6 3 二19-19 =13-13 =6 2 15+ 3 =12-11 =4 1 =16-14 =12+ 4 =2+6=9 7=3 + 2 =3 + 4=5+4=3+ 5=7+1 =9 一 3=8-3=5 4=82=0+8=3+1 =6+1 =7+3=10-2 =7-2=6 4=9 210 9=5+5=5+2=9 48+1 =21 =4+6=2 + 7=9 5=3 + 3=4 2=10-4 =1 + 2=5 3=0 + 8