小學1年級數(shù)學口算題

字號:

8-3 = 10-3= 5+4 = 9-2= 9+3=
    9-6 = 11+0 = 8+9 = 12-10= 3+8=
    9-9 = 15-5= 17-5= 3-1= 6+10=
    9+5 = 10-7= 6+4 = 8+8 = 7-4=
    6-2 = 4+7 = 9-3 = 3+3= 6+6=
    5+5 = 6+5 = 19-2= 19-9= 10 +4=