实验小学一年级口算竞赛试题.doc

文档介绍：※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※..............................班级姓名分数密封线内不要答题..............................※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※.............................密...................................封...................................线...........................实验小学一年级口算竞赛试题一、算一算。(50分)9+2= 17+2= 17-5=8+4= 7+6= 6+8=5+9= 6+7= 8+3=7+5= 12-10= 13+0=9+9= 9-5= 7+9=3+8= 13-10= 15-5=9+5= 8+7= 4+8=6+7= 15-15= 8+8=7+7= 16-0= 3+12=11+6= 16-3= 10-8=6+6= 5+5= 14-4=8+9= 10-2= 7+3+4=8+2+5= 16-6+3= 16-6+7=12+3-5= 18-3-10= 20-10-3=7+8-10= 5+9-4= 10-2+7=16-6+9= 18-7-1= 8+7-5=17-2-3= 4+9-2=二、填一填。(20分)6+()=12 9+()=15 3+()=11()+8=14 17-()=7 ()-5=10()+6=11 10+()=16 7+()=1517-()=17 ()+12=12 13+()=1611+()=19 2