20 以内加减法口算练习题(一) 姓名:___ 时间:_____ 做对了_____题(共 80 题) 10+8-7= 10+2-6= 13+2+5= 8+2+3= 8+10-9= 17-7+8= 19-3-8= 9+1+4= 18-8+6= 10+8+5= 3+11-9= 7+3+5= 18-10+8= 3+10-7= 16-4-6= 7+4+6= 10+1-9= 10+2-8= 19-4-8= 7+8+3= 1+10+9= 10+10-9= 19-5-3= 6+4+7= 11-1+8= 14-4-6= 15-3-8= 8+2+5= 11-10+9= 18-8+6= 10+4-9= 5+4+6= 6+10+3= 6+10-7= 13-3-6= 7+2+3= 16-6-10= 10+9-8= 14-1-6= 3+4+10= 16-10-6= 8+10-8= 10+2-8= 11-1-5= 10+3+7= 13-3-7= 13-3-7= 17-7-3= 3+10+7= 5+10-5= 3+15-8= 19-9+1= 13-3+5= 16-10-3= 18-8+9= 15-5-7= 16-7+5= 16-8-5= 19-8-6= 18-9-5= 17-9+3= 15-4-8= 15-6-8= 12-5-6= 13-10+5= 11-10+9= 5+5+9= 13-3-4= 10+5-5= 13-10+9= 4+6+9= 18-10-4= 5+10-5= 18-10+9= 20-20+9= 17-10-7= 10+8-7= 10-10+9= 12+4-9= 14-10+5= 3+10-6= 10+9-7= 8-8+9= 16-10+3= 11-1+8= 10-5+8= 10+0+9= 20-10-7= 20 以内加减法练习题(二)姓名:_______ 时间:_____ 做对了___