一年级口算心算速算 班级: 姓名:1+2= 2+3= 3-1=0-0= 4-2= 3+1=5+1= 4+2= 10-5=3+3= 2+4= 7-2=7+3= 10+8= 2+5=4-3= 4+3= 7 -3=7+7= 19+1= 5+2=4+6= 6-4= 5-5=0+20= 10+3= 6-3=7-4= 7-0= 20-10=2+2= 2+6= 6-2=7-0= 8-7= 17+3=5+5= 10+9= 9+1=20-20= 6+4= 5+7=11+4= 8+8 = 7-1=6-2= 6-0= 3+2=7-0= 2+8=