一年级口算竞赛240题.doc

1、6 + 3 = 10-9 = 2-1 =96 =7 + 0 =1-1 =9-8 =2 + 5 =4 + 3 = 1+7 =4 + 0 = 10-1 = 64 =4 + 2 =6-0 =5-2 = 1 + 1 =7-0 =9 + 1 =6 1 = 3-1 =6 + 0 = 86 =7 + 2 = 4-1 =5 1 =15-12 =14-11 =17-14 =15 + 0 =3 + 10 =5 + 1 =7 + 3 =6+10 =1 + 14 :17-1 =14-11 =5 + 4 =17-6 =4-2 =11 + 1 =15 + 3 =3-2 =2 + 18 =9 92 + 12 =14 + 2

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

3、8 + 9 =6 + 6 =8+8 =9 + 6 =9 + 3 =6 + 6 =5 + 7 = 7 + 5 =9 + 4 =5 + 8 =6 + 8 =7 + 8 =8 + 5 =9 + 5 =10 + 9 =11 + 9 =9 + 9 =8 + 8 =9 + 8 =10 + 9 = 2 + 9 =11 + 7 =7 + 6 =6 + 7 =8 + 4 =5 + 6 = 7 + 9 =8 + 8 =8 + 6 = 5 + 9 =3 + 8 = 5 + 9 =5 + 8 = 9 + 6 =7 + 5 = 9 + 4 =9 + 3 = 9 + 7 =9 + 7 = 9 + 9 = 9 + 9 =

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

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

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

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

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

9、9+ 5二16 + 2 =7+ 5 =9+ 2 =4-2-2二7-3-2=4+0+5=9-4-2二0+1+69-2 + 13 =3 + 15-7 =6 + 8-10 =1 + 15 + 0 =12-1-0 =8+0+8=4 + 6+10 =11 +3-10 =12-0+4 =2+3+1=7-4 =4-2 =4 + 6 = 5-0 =2 + 7 =6 0 =6-2 = 10-5 =7 + 2 =10 + 0 = 3-2 =3 + 5 =8-3 =3-0 =6-2 二5+4 =9 5 = 1+0 =9-2 =9 + 0 =3+6 =2 + 3 =0+0+2=9-3-1=5+1-1 =10-2-4

10、=50+3=9-5+5=5+4-0=8-1 -0=2+7-2=1+6+1=6-4-2二6-2-2=2+3-5=64一2二5+1+4=2+5+3=10-0-7 =9-1-1 =4+2+2=1 -0-0=5-0+1 =52+2=5+2-2=5+0-0=9-7+7=19-4 =8-7 =15-3 =15-4 =12 + 7 = 14-13 =19-3 =5 + 11 =16-2 =7-6 =0 + 4 = 15-2 =14-2 =4-1 =6 + 0 =10 + 6 =10-0 =14 + 6 =8+1 = 17-11 =12 + 7 =19-4 =11+7 = 13 + 2 =17 + 2 =9

11、+ 4 =3 + 9 =2 + 9 =4 + 8 =4 + 7 =7 + 5 = 7 + 8 =6 + 8 = 7 + 8 =9 + 4 = 9 + 7 =8 + 9 = 6 + 8 =7 + 5 =8 + 9 = 3 + 8 = 4 + 9 = 3 + 8 =8 + 5 = 6 + 5 = 5 + 7 =7 + 8 = 4 + 9 = 9 + 6 = 9 + 7 = 8 + 3 =7 + 9 = 9 + 4 = 3 + 9 =8 + 5 = 9 + 5 =9 + 5 =7 + 9 =6 + 6 =8 + 6 =8 + 9 =9 + 9 =9 + 4 =9 + 3 =9 + 8 =9 + 6

12、=8 + 8 =8 + 8 =8 + 3 =8 + 3 =7 + 9 =8 + 9 =7 + 6 =8 + 4 =9 + 9 = 12-9+16= 4+13 + 1 二10+8-3 =15-10+2 =5+12-7 二8 + 9-10 = 11+5 + 0 =5-0+13 =1710 + 6 =0+1+8=3+1+5=12+4-1 =12-2 5 =3+4+8=2010 5 =2 + 12 + 2 =61 5=10 + 0-3 =15-10-0 =3+5+0=12-2-10 =14 3 + 9 =7+0-3=3+0+5=16-5+4 =135 + 9 =19 + 0-4 =12-8 + 12

13、=16-10-3 =10-1+9 =13-10 + 3 =17-3-4 =15-10 + 6 =7+1-6 二7-3 =8+5=10-8-2 =8+10 =9+3=0+6+4=14-14 =2+9=9-0-7 二4 + 3 =8 + 70+6+0=2+11 =4 + 9 =8 + 9 =0+14-3 二2+15-7 =9+4=19-10 + 6=0+14-10=4 + 9 =2 + 0+15=10-3 + 7=6 + 9 =6+9-5=19-10 + 56 + 9 =18-10 + 8=18-2-4 =5 + 2 = 5+4 =8-0 =6 + 3 =0 + 2 = 10-8 =9 + 0 =

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

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

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

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

18、+8=12 + 1+4 =6+4+7=4 + 2 + 107+2+6=1 + 16 + 214-10+8=3 + 10 + 613-10 = 15+4 =5 + 15 = 15-13 = 4-2 =14 + 6 = 14-14 = 0+13 =4 + 9 =4 + 7 =8 + 4 = 9+6 =9 + 8 =10 + 9 = 3+9 = 7+4 =11 + 8 =12 + 9 =13 + 9 =14 + 3 = 7+4 =15 + 9 =16 + 7 =17 + 4 =18 + 6 =4 + 7 =7 + 6 =6 + 7 =9 + 4 = 4+9 =9 + 9 =6 + 5 =7 + 8

19、=3+4+3=6-0-6=8-4-0=3-2+1 =4+2-6=8-8+2=2+2+2=2+1+4=8-6+7=1+6-4=6-6+3=3+0+1=9-5+5=1009 =8+1-6=0+2-1 =1 0 0=6-1+1 =9-7+2=3-1+7=2+2+4=4 1 0=1+8-4=10-8 + 8 =3+1-1 =1+5-5=5+4-2=2+4+4=7-3-1 =10-4-3 =10-1 + 1 =7-4-2=4-2-0=0+8+2=1+4-5=6 + 6 =4 + 9 =8 + 4 =6 + 7 =4 + 9 =9 + 8 =7 + 8 =8 + 3 =9 + 9 =8 + 4 =9 + 5 =10 + 9 =11 + 4 =12 + 9 =13 + 9 =14 + 9 =15 + 9 =16 + 7 =3 + 8 =7 + 8 =6 + 9 =7 +