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1、一年级口算练习1 班级:姓名:时间: 12-8= 13-5= 14-7= 18-9= 14-6= 15-8= 11-2= 12-6= 10+5= 3+10= 15-5= 17-7= 13-10= 17-10= 8+9= 7+7= 8+3= 7+6= 16-8= 17-9= 12-5= 11-6= 13-7= 15-9= 17-8= 15-7= 11-3= 9+10= 14-5= 16-9= 17-8= 10+10= 8+9= 12-4= 11-8= 12-7= 9-3= 16-7= 11-4= 8+5= 11-9= 12-7= 7+9= 6+9= 4+10= 16-7= 11-5= 12-9=
2、 14-8= 11-7= 15-9= 17-8= 9+9= 12-3= 13-4= 13-6= 8+()=14 ( )+ 9=17 11-()=9 ( )+3=17 18-( )=9 11-()=9 ()+6=13 ()+3=11 7+()=14 15-()=8 13-()=5 12-()=6 5+7-4= 15-7-2= 12-6-4= 16-8-4= 12-7+5= 6+6-8= 11-2+9= 5+6-8= 10+4-6= 9+4-3= 13-9-2= 16-9-5= 9+7-8= 14-9+7= 6+7-8= 7+8-6= 4+3+8= 10-7+8= 15-8-7= 8+2+8= 15-7+4= 9+3-6= 4+9-8= 12-7+6=