1、一年级数学 9 以内口算练习1+1= 2+7= 2+2= 8-6= 5+2= 7+2= 1+3= 1+0= 2+2= 5-4= 3+1= 8-2= 5+3= 2+1= 1+6= 2+3= 3+4= 3+2= 1+8= 3+1=2+7= 6-2= 2+5= 9-7= 7-3= 3+4= 1+8= 0+7= 3+2= 3+6=2+2= 7-2= 7+2= 1+3= 9-1= 3+6= 4+1= 3+3= 3+3= 3+2= 9-4= 2+3= 2+3= 5-4= 8-5= 6+3= 8-5= 4-2= 2+3= 3+3= 2+5= 2+4= 2+5= 4+1= 2+5= 3+2= 3+0= 3+4
2、= 5+2= 7-4= 2+4= 4+2= 4+1= 6+3= 3+6= 6+2= 3+4= 3+2= 8-1= 8-3= 7+1= 5-2= 6-2= 2+5= 2+4= 5-2= 6+2= 0+0= 4+2= 2+2= 1+4= 4+2= 1+6= 3+3= 3+4= 4+4= 3+2= 4+1= 6-3= 9-3= 3+5= 2+5= 2+2= 3+1= 6+1= 1+3= 1+6= 7-7= 4+3= 3+2= 3+6= 9-6= 4+4= 2+7= 0+8= 5-3= 7+1= 1+0= 6+3= 6-5= 4-2= 7-1= 2-1= 2-0= 5-5= 3-1= 6-2= 7-2
3、= 4-1= 7-6= 2+2= 5-3= 3-2= 3-1= 2+6= 5-4= 7-2= 4+3= 3+2= 5-2= 7+1= 4+2= 5-2= 6-3= 5-0= 5-2= 6-1= 6-3= 5-4= 6-4= 5-3= 5-2= 7-1= 6+1= 7-1= 7-0= 4+3= 6+3= 7-3= 4-3= 6-1= 7-3= 4-2= 4-2= 5-3= 7-3= 6-3= 5-3= 5-2= 0-0= 4+2= 5-4= 7-4= 6-6= 5-4= 6-4= 4+1= 6-4= 5+3= 6-3= 5-3= 7-4= 5+1= 7-4= 3-2= 7-5= 6-5= 7-3
4、= 5-1= 7-2= 6-3= 3-2= 6-5= 6-4= 3-1= 6-2= 7-5= 3-1= 3-2= 7-5= 5+4= 6-4= 7-5= 5-3= 6-2= 5-0= 3+1= 6-2= 7-5= 7-3= 7-4= 5-1= 5-2= 7-3= 6-5= 3-2= 2-1= 7-6= 6-1= 7-6= 3+2= 2+4= 6-3= 4+5= 0+3= 7-2= 4+4= 2+3= 3+4= 8+1= 6+3= 3+6= 7-5= 1+6= 2+4= 2+2= 3-2= 2+4= 7+2= 2-1= 3+4= 3+4= 5-2= 4-3= 5-3= 4-2= 2+3= 3+3= 2+5= 2+4=2+5= 4+1= 2+5= 3+2= 3+0= 3+4= 5-4= 6-4= 4+1= 6-4=