10以内连加连减口算练习题

10以内连加连减口算练习题2+3=3+3=4+1=6+3=7-2=4-3=6-2=6+2=8+2=2+5=0+3=2+2=6+3=7+1=2+4=2+5=0+0=4+4=3-2=0+3=10-5=5+