一年级20以内加减法口算题（练习）

  班级：           姓名：              

    2+18=            18-6=           16-1=              

    2+12=            5+11=           17-7=              

    5+1=             10-1=           12+5=              

    11-2=            15+1=            19-11=             

    10+9=            16-7=            2+15=              

    16-15=           15+3=            9-4=               

    20-1=            11-10=           6+8=               

    2+5=             2+6=             10+1=               

    17-16=          13+4=             20-1=              

    1+2=             20-3=            2+7=               

    19-6=           15-12=            9+1=               

    14-1=            5+2=             13+7=              

   19-4=             3+5=              17+3=              

    3+8=             8+4=              17+3=              

    17+3=            4+12=             14+3=              

   1+14=             1+5=             3+14=              

    13-3=            10+2=             9-8=               

    12-8=            2+5=             19-18=             

    14+3=             17-3=             9-4=               

    6+13=             13+5=             3+7=               

    12+3=              5+6=            17-1=              

    5+2=               7+7=             6+7=               

    12-11=            20-13=          13+6=              

    15-5=             20-1=            5+8=               

18-12=             7+1=             20-6=     

    8+6=              3+13=           1+19=              

    17-16=           7+13=            10-2=              

    11+6=            1+8=              14+2=              

    9+5=              2+10=           1+12=              

    8+12=            11-10=           3+3=               

    3+17=             8+4=             8+2=               

    2-1=             1+4=             9+9=               

    8+7=             20-18=