2+3=            2-2=            4-2=            2+0=

4-3=            3+2=            2+2=            5-2=

0+3=            5-3=            2-0=            3-2=

5-1=            3+1=            2-1=            2+1=

4+1=    0+1=    5-2=

3+0=    2+1=    2+2=

0+4=    2+0=    5-3=

1+3=    2+3=    4-4=

3+2=    4-3=    5-4=

1＋0＝               20－10＝             8＋8＝                    7＋4＋3＝

14－6＝             6＋6＝                 8＋7＝                    13－5－4＝