5以内加减法口算卡(精选)

0+0=1+1=2-0=1-( )=01+( )=1( )+2=25-( )=03-( )=00+1=1+2=3-0=0+( )=11+( )=2( )+2=35-( )=13-(

腾讯文库5以内加减法口算卡(精选)