一年级20以内口算题

1、一年级20以内口算题13+1 + 6=20-3- 13=13-1-6=11+2 + 6 =4+ 15=0+138=6+1 =5 + 4=3+ 5=20-18-1 =8 6二10 + 9 =19 8=86+1=18-11 =5-2=4+2 =17-17 =41 =2 + 5+ 12=62 =0+0+18=15 5 4=2+13 =12-1-4=0+8=14-2 =13 + 3 + 3 =0+ 6=7+0=11 2 6=1412 =2+1 =0+14 =20+0 =20-5 =3+14=3+ 10-5=3+53=3 + 4 4=82 =8-6+1=6+11 =5 + 0+ 13=1614=14+1

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

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

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

5、9+ 15=9 4+ 6 =10 + 6-10=17-17 =2+0=171 =5+7-1=10 + 0 =6+1 =9-4=8+7=12 + 5-7 =16-14+18=13-5-2=13-3 + 4=3+11 =17-17+8= 8+11-5= 18-8-5=11 + 8-0= 1+4-2=2+11 + 4=2+9-4=16 92 =10+8- 13= 3+4-1= 20-7=75=12 + 0= 17-11-5=11-1 =0+ 4=19-15 =33+20 =I 0=11-5=II + 28= 0+139= 17+3=11-11 =5+12-6=10-6 = 16-0-15=0+14-

6、6= 20-17+5 =10 + 5+5=1 + 14+1 =7-4=2-0+4=8+6 8 =1 + 2= 1+12+6=12 + 5+2= 8-6+2=5+13 =12-4-1 =18-14 =14 3 4=1 + 6=1+4+2=4+ 9=7+3+9= 20-7+2=40=13-2-11 =10 + 6-6=3+12 =0+13 =7-2 =11-2 + 4=12-12 =7+2 =12+1 =3+5+5=18-14=5+13 =20-1-0=1 + 15-1 =11-8+7=11-6+3=10+3 =6+ 4=6+ 5+ 6 =2+4+5=15-8-3=6+11 =6+3=14+6 =

7、6+1 =0 + 7=19-7-12 =6 33=15-3-12 =0 + 4=1-1+18=11-2-6 =2 + 9=18-6-8 =6+2+1=19-1-10 =10-2 + 0 =20-16-0=10-6 =6+0+1=15-13+14 =19-7-10 =17-10 =4-1 + 9=7+10+3 =1 4 18-17 =1 + 1+14=4410-11 =18-7-11 =18-3 =7+13 =13-1 =1710+7=0+5=11 + 515=18-3 =8一 4=4+12 =17-13 =0+13 2 =2+15=4+72=15-8-7=19-13 =14 8+3=20-12

8、 =0+148=17-17+13 =14-7-1 =1+9+7=10-2 =3-0=11-8-2 =9-7=6+ 4=3 + 9+0=18-8=12-9 =14-1 =0 + 0+ 14=12-8=85+14=20-7-4=9 + 33=3+1 =2+8+9=11-10 =12 + 713 =18 9+9=8+0=17-5 =11 + 9 =2+93=1+0+6=2+16 =14 + 3 =0+ 6=19-15 =19-10-9 =4+10+0 =1 + 9=3-1 =11-11 =8-3=7+1 =2+1+5=0+3+17=1-1 =15-4=15-3-3=18-6-5=1 + 17+0 =

9、12-10+11 =87+11 =8+0=13 2 + 5 =8-2 =9-9=13 + 4 =7-7=7-5=14 0 9=17-2 =3 + 3=7一 1 一 0 =10 + 9+0=18+1 7=0+101 =3+1114=12+1 =6+1 =2+13+5 =9+10=12-7 =1 + 15 =10-7 =12-2 =3+7=2+7=18-0 =6 0=6 6=8- 8+ 8 =9 2 0=2+8=9 6=1 + 152=2+11 =2+6=9+0+7=10-5-5=1 + 19 =1 + 14 =17-16 =144一 8=19-6 =8+17=4+4+7=14-1 =7-1 =2

10、-2=20-7-2=11+4+5=12 + 4 =18-7 =20-9-0=0+7=0+0=4+14- 12=12 + 6=6 0=7+11 0=14-6=9+7=13-0-3=12 + 6=9+712 =20 8+3=14 7+5=10 + 29=17-14-3=20-20+ 16=13-9-3=18-14-4=11 + 00=1 + 14=2+14=12 5+6=5+4+3=3-2 =5+13=I + 2 =19-14-5 =16-4-2=15-8 =5+11 8=15-15 =20-1-3=5+3+12=5+11 =0+5=9+6+3=4+ 6=II +414=6 4=5+7+6=91+

11、2=5+52=10+0 =1610 + 3 =7+12+1 =4+710=42+18=3+5+11 =12-1-8=10+3 4=9-5=20-10-5=12 2+10 =81+4=12 8 + 7 =117 + 5 =1915 + 8=9 + 7=92+2=3 + 4=19-6 =11 + 0 + 2 =8+11 11 =20-10 =6 + 89=8 3 4=20 + 0 =0+11 + 1 =19-14-3=6 2+ 15=12-3-2 =18-0 =16-0-13 =16-16 =18-12 =4+13-17=0+11 + 8=5+ 14 =18-5=11 9+7=18-16+15 =

12、3+10 =6 0 =14 6 6=9+1 =8+1 =4+ 9=15-3+7=17-13 =15-4 =1+1-2=10-10 =17-12 =11 11 =20-2- 13=3-3+16=7+0+9=33+2=13+1 =16-7+6=11 03=7-7=12-3-4=6-1-3=1 + 13 =1 + 17-6 =6+10-12=1+14 =16 5 4=7 0+6=12-11 + 4=7+3+6=0+ 16+0=15-3 =5+4+5=3+15 =10+7+1 =3 + 5=18-2-5=16+1-0=10+5 =1614 =19-16+ 13=9 4一 1 二11 5 =9 + 2=

13、10+5+3=18-2 =5-1 =7 + 9- 15=4+1+1=60+2=15 4 =16-9 =1 + 6=0+9=15 4 =13+1+3 =15+5=52+7=12 2 =18 2 =17-16 =13-6+13=0+14 =6+11 =20-20 =13-13 =12 + 6+0=11+4-11 =9+1 =12-4+8=4+1417=0+1+8=63=18-17 =6+ 4 9 =9 + 0+5=152 =11 + 7-8=17-11 =19-17 =10+2 =18-8 =13 + 4+2=3 + 9=9- 8=1+44=0+8=0 + 3+ 10=9-9+18 =3+11 +

14、 1 =9+ 5+ 5 =14 + 0-14 =18-2- 15=8+7+4=2+7=12-11 + 17 =16-16+8=12-6+11 =16-0 =20-3-9 =2+13=9+8-3=10 + 6 =2+17 =13-2-4=16-11 =16-10 =9-7=15-0=13-13+3 =12 + 2-12=2-2=2+16-12=13 + 4 =16-10+13 =19-10+1 =7+1 =12 + 0+1 =5+10-2=18-3-1 =13-3=1713 =12 + 5-3=1+8+3=19-17 =3+2=6 6=17 + 2 =8+7=2+10+6=12+1 =10-9

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

16、 =19-9 =15-9-1 =13-7+10=8+11 =12 + 5-16 =3+6=4+12 =12-3-0=2+12 =4+8-10 =13+518=2+174=15-10 + 0=7+9+1=15-12 + 2 =18-6 =16 2 + 4 =6+ 4 5 =0+16-6=1 + 6+13=11-1-0 =20-0-20=85+3=19-10 + 7 =3 + 7=13+1-1 =0+14 =1-1 =4 + 2+ 6=4+11 + 4=2+15+2=2+137=9 + 8- 12=6+7+4=3+8=1 + 0+11 =7-3+ 13=12-10 =9+59=15-5+3=20-

17、12 =12 + 7 =15-8-2=4+ 6=1+7+11 =12+0-1 =1+17+0=19 02=1 + 15 =5+10=19 + 0 =11-10 =1 + 18+1 =11-0=9-1 =12-9 =4 + 0=2+11 =151 =0+14 =0+11-1 =7+6-11 =17-3 =0+3=3-3+ 17=14-5-9=20-10-1 =2+0+12=5+1-1=17 8=7410-12=6+ 7=6+131 =4+10=16-16+11 =7+12 =2 + 7=3+15=17-2 =9+10-15=8 + 4=20-7- 12=19 2 =0+16 =11 0 + 6

18、=16-0- 13=13 6 =19-18 + 0 =19-11-6=19-10-9=11+4 =18-3-12=7-3+11 =2+15-15=0+0+12=17-6 =91 =0+133=19 6 =15 2 =16-5 =0-0=13-10 =6+1 =3+2+4=14 0- 9 =11 + 5 =17-2-7=10 + 8-6 =19-0- 12=15-4 + 4=0+2 =5 + 0=1 + 4=6 4=4+ 9=14-3 + 7 =13 + 6=17-5+6=5+10 =8-4+ 13=17-10-2=10+1-9=4+4+11 =18-4-11 =7-6+16 =16-11+4

19、=2+6=18 0 4 =6+8+1=16-9 =0+5-2=16-0-13 =10+3=16 4 8=14-13 =17-4 + 5 =14-4=18-16+3 =12+1 =18 4 =14-3=18-10-6 =0+16 =4 + 2=13-12+2=2+5+7=6+2 =12 + 4+1 =3+15=4+11-1 =7+8- 4 =16 + 2 =2+16-12=12 + 4+3=0+16+2=14-11 =1 + 13+1 =3+7+1=17-8 =19-8 + 2 =9-1+0=13 + 2 =7+7=3-0=16-7-9=98=15-0 =3+11-12 =17-9+6=11 +

20、 7 =0+14+6=19-14 =6-5-0=13-5+1 =5+11 =15-13 + 2 =14-9+ 13=2+9=9-4+4=13-11 =10-0+3=1 + 12-7=10-0 =14-13-0=11-4=12-3 =16-2-14=13-3 =16+1 =14-13 =11-4-0=9 + 0=10+8-3=5+11-9=14-10 + 5 =9 + 3+5=17-13+2=10-9+16=5-2=18-12 + 5=18-18 =10 + 0 =5+8+4=11-5-4 =0+5=5-1 =72+4=7-1 =8+4+0=7+11 6=18-12 =4+1+7=18-5-2

21、=11-0 =19-3-6=12-7 =17-2 =11 + 5+1 =19-10-4 =15-3-4 =5+56=1 0+10=9+0=10+1 10 =16-15+18=64+0=4+2+11 =20-12-6=18-17 =8+5=2-0=7+10 8 =8一 4一 4 =12 2 + 4=1 + 4=3+16 =8-5=12-2 =16 9+5=3+10 =141 + 5=5-1-4=5+31=19-3-16 =9+2+9=19-14 =5+ 4=8-1 =8+11 3=14-5-2=5-1 =10-10 =17-6=2+105=31 + 12=19-13 =16-10 =11-10-

22、1 =18-4 =3+15 =17-5=15 7+8=7+814=12 + 51 =8一 1 一 0 =4+1+8=53+11 =16-15 =19-7=8+7+3=1 + 4=9 + 9=16-2 =14-1 =10+9 =0+14 + 2 =16-7=3-2=20-2-8=13+14 =2010+0=14-6-6=6+ 4=2+2+2=1912+2=3+ 4=3+79=15+1 + 1 =3+ 4=7+2=0+10+4=8+0+2=16-11-4=10 + 75=11-5 =14-2 =2+0+10 =8+1+8=3+119=1+14=20-12 =1 + 18=14+0=14+0- 13

23、=9+24=7+9=55+0=20 7=1 + 6+12 =10+10 =12-12 =10 + 2+7=18-10 =193=19-16+1 =19 7 412-11 =11 + 9=5+0=17 3=5 4+ 5 =1+7+0=20 7 =12 + 7 =3 0+ 9 7 6=18-15+9 =13 8 =6+ 6 8 =9+ 65 =20 712=1 1 =33+10=19-11-0 =1812 + 2 =65+9=5+0=6+ 4=19 一 0 09- 8=7-4=61 =18-14 =16-1-10=1 + 18 =10+8 =16-0+0=20-9-5=12 + 6 =14-11-

24、0 =7 6二19-12 =16 2 =8+2 =18-15-0 =20-2-5=3+2 =20-10 =18-14 + 7 =13-13=43+13=7+72=10+10 =19-11 =2+11 + 3=10-10=3+16-13=11-7+9=10-10 =10-2 + 8 =3+1518 =2 + 7=6+14 =0+15 =14-10+10 =0 + 3=17-12 =16-14 =14 2 8 10-7 =1+84=4 + 33=16-1-10 =19 8 =14+5- 16 =10+81 =14+1-10 =7-2=12 + 7 6 =1 + 13 =18+1 12 =41 =9

25、-1 =16-16 =13+0 =4 + 9=12 + 7=17 + 3 =3+57=4 0+7=15+3+1 =3+14 =86+17=2+1 =10-6-0=20-10-6 =15+5 =11 + 9 =1712+2=15-1-12=8+4=16 + 310 =7+1210=6+14 =9+1012=11-4-4 =1 + 3+13 =13-1-0=1+6+8=9 + 57=0+2 =2+6+5=0+1310=9 7+ 15=9 4=6 4+4 =15-3-3=10 5+11 =12-1-4=19-5 =9+98=12 7 + 5 =13+0=14 0+6=0+7+2=1 + 1 =12-

26、7-0=4 4=11 + 0 =1 + 13+5 =17-16 =10 + 6 2=8+11 =7+40=12 + 2 =14 + 512=16-10 =8 + 6=2+4=19-10 =16-1-2=2+16 =20-12 =20-7 =2+8=13 7 + 6 =0+3=0+3=16-2 =3+11+4 =4+8 0 =2+1+4=11-3-5=16+1 10 =11-5-4=10 + 4 =12 + 5 =6+11 =7+13=8-3=16-5-5=8 2+ 12=12 + 2 =0+3=1 + 177=12 + 7 =1513+6=1 + 1 =19-17 =16-11 =6 4=19

27、-13 =19-4 =8 6=0+164=10-1 =19-6 =0+13 3 =15+0=15-0-6=19-5 =9-1 =12 + 54=7-7=5+12+3=2+11+4 =15+0 10=6+11 =10 5+11 =19-0-16 =13-11 =19-6-10=1 + 4=17-17+16 =12-1 =18+1 + 0=74+7=15-8 =12 + 4=12+1 =6+10 =13 + 4 =6 4=17-3-12=12 6 + 4=16+19 =18-1-10=7-7=11 0+5=5+91=8+1 =2+3=5+10 =20-11 =19-0- 12=3+6=13-1 =

28、9-9=4+ 9=17-9 =8+4=17-8-1 =9+8+1=6+711 =5+7=14 + 3 3 =8+611 =20-10 =10 + 6 =12 + 6+1 =12 + 8=7+13 =2+10+1 =3 + 2+5=15-7=52+11 =11-0 =17-11 =4+9+7=16-6 =11 + 311 =19-17 =11-6=1716 + 6 =4+ 3=2-1 =20-3=13-10 =12 6+11 =18-11 =4+ 0=5+5=14 + 2 =3+1+9=8+ 6+ 6 =6+ 6=16-1 =0+82=4+121 =17-6-10=75+18=5+12 =9+2

29、9=18-14 =95+3=6+1015 =3+13=4+ 4=20-9 =18-13-0=1919+6=3+1+8=5-4=2+1 =8+8-5=2+10 =15-12 =1+9=9+3=0+6+3=15-6-9=0+16 =1 + 12-13=3+15+1 =6+1-0=10-7 =14-0=11 + 9 =17-16 =7 + 0+ 10=16+1 + 0=16 + 2-16=1+0+0=7-1+0=1-1 =1 + 17 =2+4=17 4 4 =1 + 17=0+1+0=20-8-7=16-15 =18-9+8=93=14-12 =18-4 =9+10=19-1-16=18-18 =

30、0 + 7=4+ 9+4 =16-13 =19-14 =4+12 =8 3 4 =19-8 =19-2 =5 + 5- 10=14-2 =3+5=18-2 =7 + 6=20-9-7=13-7 =13+1 + 0=11-5 + 6 =18-6- 12=14-12 + 5 =19-0-12=14-9-5 =15-5 =2+5=0419-2=14-14+19 =14-4=0+3=7+1 =15-1 =18 + 0+0=13-2 =11+4 =19 9 9 =16-3=21 =9+11 =2+3-2=1-1 + 18 =10-6 =6-3+11 =10-10+10 =1+7-3=4+3+0=0+18

31、+1 =4 + 0=11 + 6-2 =6+6-2=3+10 =19-16 =11 + 1 =0+20 =3+10+1 =13 + 3+1 =19 7 9=2+14+2=8+0=18-3-3 =15-0=2+3=2+16-12=9-5=0+17+0=6+3=18-6 =20-0-19 =8-5=9-6+1=20-2-12=10 + 2 =5-0-0=2+14 =9-7=3 + 2+7=17-4+6=4+8-11 =8+1 =18-9 =15-2 =18-0-2=7 4 2 =10-2 =10+7-2 =9-7=1-1 =20 + 0 =16-16=17-13-4 =19-0-15=17-4-2

32、 =16-0-0=14 + 5 =16-16 =4 + 9=8+4=5+2+13=13+5-5=6-2=15 + 4=4+1+4=18+0-9=8-1+5=4+ 2+ 6 =15 + 5 =17-5-6=19-10-9=5+8=0+3+8=9+5-7=7-3=19-13-0=7-0+5=20-4-15=0+16 =0+10=0+1+7=1+9-9=10 + 7 =1 + 8+11 =15-3 =12+1 =1 + 18-3 =11 + 7-9=3+14 =18-0-13=13+1 =14+1-14=7+ 6=15-7 =18-10 + 7=14 9一 4=14 + 2 =7+0=0+11 =3

33、-1 =12 + 0-6=18 9 =18-17-0=8一 8=15-0-8=3+0+2=15 + 2-5 =15-13 =19-3 =0+11-9=9-4=20-11-7=10 + 8 =18-8+9=1+2=14-2 =12 + 0 + 4=17-7-10=10 + 3-11 =4+15=10-7 =5+ 6+ 2 =0 + 7+7=5+2 =82+1=13+1 =8 + 0+ 12=1+3+8=10 + 3 =99+3=4 + 4=18 8=32=4+ 6=16 + 0 =12 2 =10-8 =143+8=0+12 =6+1 =3+15-3=19-13 =18-5+1 =0+10-9=

34、19 一 9 101 + 18-14=2+15-12 =19+0=12 + 8 =15 + 4 =20-12 + 7 =139+2 =10 + 9 =6+3=10 4 =2+12=54=18 6 4=14-6 =12-6+ 10=6+ 0 5 =1 + 8=12-11-1 =8+3=4+ 3 5 =17-10-6 =6+10 + 4 =0+ 19+ 0=2012 =2+1 =19-18 =1 + 3=32=20-0-8=10 + 5 =17-7 =6+11 =5412-12=18-14-0=138+8=1+11 + 7=0+10 =1510 =93=1413=19 6 7=6 4=2+4=15

35、-1 =11 + 5-9=1 + 14 =8+10-16=17-3-1 =6 5二16-1-0 =3+7=12 09=3+1516=4+81=12-5+7=0+ 6+ 6 =19-10 + 5 =13-0+1 =16 + 2-1 =7-0-5=1710 =8 + 3=17-13 =19 47=16-11 + 15 =18-9 + 7 =6+3=52=12-0 =11 + 8 =3+67=95+8=14+3 =1+3=16-7-7 =11-9+ 16=6-2=19-10 + 3 =3+7-0=4+6+1=17-16-1 =20-13+12=13 + 3 =15-1-10=19-15 =5+9-2

36、=16-15-1 =18-7+8=8-8+13=3+10+4=3+3=19-10 =17-3-5=13-2-0=20-12-4 =7+5-6=10 + 6=5-2-3=0+13 =13-3=5-4-1=18 6 =9 7 0 =17-2-0=2+1 + 16=20-8=8一 8=17-8 =19-2- 15=1 + 18 =3+10+4=16+3-7=10 + 3 =0+10 =4-3=0+14+6=19+1 =4+3+5=0+11 =0+5+3=16-0=1-0=2+6=13-7=16 + 3-2=9410-13=19-16-0=20-18+12 =16-11 =13-3=9-9=0+8+2

37、=2+0=5+13-4=20-10 =15+5=4+1 =16-2-7=5+9-2=5-1 =6-2 =8+7-8=0+ 0+ 5 =7+3-4=14-9-5=3+10 =15-9-2=19-9-2 =3 + 0= 1+89=2+18+0 =2 + 5= 7-7+20=3 + 9=16 + 2 =3+1 =17-7 + 4 =11-6+12 =4+15 =8 + 0=0+17 =10 + 6 =15 + 2 =6 + 4=17-16 =18-13 =6+1 = 17-9 + 2 =5 4=11 + 0 + 2 =7+0=12-10 =17-13+9=0+3+2=12-8+ 14=19-15+9

38、=8+8-8=5+3-2=18-11 + 11 =98=2+11 =19 99=20 22 = 9+9+0=10 + 2=1+4+2=10+1 =7-4+1=10-4+ 10=1815=9+ 4=16-10-3=3+ 4=13+1 =0+18 =0+17 =12-3 =2+57=17-8-3=1510=19-3 =12 35=19-12 =10+3-0=2+12 =15-14 =17-11-2 =4-4+14=8+2+3=11+2 =16-13+9 =201=1717 =16-13 =5 3= 10-7-2=6+ 66 =19-3-12=5+5-10=9+3=10+5 6=2+5+2=6+11

39、 =73=4+10 =20-17 =17 3 6=3+0+17=12 + 0-10=10+8+2=12-0+0=8一 4=8 6= 13-0+2=3+15 =9一 7- 1 =19-1-9=14-11 =3+16+1 =6+2+11 =3+0+4=1 + 14+2=14 + 0 =3+0-2=11 + 7 =5 3=4-1-1=5+13-11 =1+0+ 15=0 + 6+7=17-7-8 =17-10-1 =17-2-6 =9 9=31+12=7+1+7=11+6 =10 3 =3-1+ 10=11 4=6+1+6=15-3 =16-16 =8 + 6=7-4+ 17=9 + 9 14=15

40、-10-2=13-4-7=3-3=0+14 7 =10+7=2+10+1 =16-10 =7 + 5=2+10+ 3=2+0=20 20 + 5 =17-6 =18 4一 6=0+8=2+4=16-14 =10+9 18=10-7-1 =4+13 =13-9 =10-9-0=13-10+10 =5+5=9-8=7+61=13 + 5 4=2+176=16-7-3 =6 5=13 + 3 =2012 + 2 =2 + 6=20-13 =19-1-8=97+12=2 + 0+7=0+13+ 3=13-6 =1 + 14 =4-1 =13 7+0=17 + 0 =9 8 0 =15-10 =0+11

41、 + 4=7+3=18-1-17=10 4 0 =88+2=62+10=9+2 =12 + 4 =13 9+1 =52+1=13+0 =8 + 3=42+3=9+11 =11 + 83=16 + 0 6 =2+1 + 13 =4+8=9+106=13 + 3 =11-0-5=18-3 =12-7 =10 + 616 =7+97=5+0+10=7-1 =12 9 + 3 =0+2+5=8+4=20-0 =7 + 88=19+0=4+42=15-5 =15 + 5 =6-0-5=12 + 0+0=13 3+10=1+0=2+4=17-1 =3+99=15 + 41 =4+14+ 1 =2+17 =

42、19-12-6 =17-0 =13-11 =2+1+11 =11 3+0=17-11-3=15-12+15=2+5=17+0+2=17-5 =13-0-5=3+13 =17-2 =19-8 =20-17-3=4+12+2=17-12 =15 + 2+1 =8+13=16-0 =12-5-4=13 + 6 =15-7=17-10-6 =19+0 =0 + 9=3+ 64 =15-14 =18-9 =8+10+1 =14+5=7-7=3+5=4 + 4+3=12-6=6+120=13+0 =4+13 =5+3=4 4=12-9 =16-0 =1616+8=11+4 =5+0=8+10+1 =13-

43、1 =18-2 =53+1=0+17 =19-7-11 =10+1 + 8=18-15-2 =2-1+5=2+7+5=14-5 =93+10=13-10 =17-6=18-5-7=14-11 =13-3-3 =9-2-5=1-0=1816 + 0 =4 + 2=0+7+6=40+15=0+1 =13-6 =2+16 1 =17 8+0=43+13=16-12 =11 + 3=0+16 =11 + 51 =6 + 4=4+14- 18=4+ 4=14+5 =7-7=1 + 10 5=7-5=2+5+4=6 + 2=2+15=19-7 =2+79=16-11 =16-11-3=11 + 7 =6+

44、2 =7 6=5+26=2+3=19-15-0 =1+9=7+3+8=4+8+2=4+ 5=5+14=1 + 18=4+1+12=16-6 =8+1+0=19-13 =1+20=0+11 =4 + 0=19+1 =12 + 5 =4-0=8+51=0+17 6=13 + 0 =9+6+4=8 + 5=20+0=12 + 2 =4+10 =0+12+1 =11 0+4=1 1+11 =13 3+10=17 + 0 + 2 =15 9+7=10+1 + 7=20-19 =1+01=10-3-4=3+13+1 =1-1 =7 + 3+8=0+1111 =11 1+4=18-4 =14 + 4 + 0 =6-1 =15-7-1 =2+8=13-9 =12 + 33=7-4=13-2 =1+4+6=14-1 =8一 4=9+0+4=6+1016 =14-0-11 =9+7=7+10 =9 4=6+1 =3-0=18-15 =19-17 =11 + 6=117+3=15-4-0=17-1 =17-1 =19