3-3=              9-2=          3+7=          6-4=

0+10=            7-2=           4+5=         0+0=

10-8+2=          6-4+5=        7+3-9=       4+6-10=

（   ）+7=10      8-（   ）=3     5+（   ）=9     （   ）-6=3

9－2＝                      6＋4＝                    9＋1＝                      1＋1＝                      9－9＝

5＋5＝                    10－1＝                    2＋6＝                      9－7＝                      10－3＝

8－4＝                      6－3＝                      8＋1＝                      5－1＝                      8＋2＝

6＋3＝                      7＋3＝                    10－5＝                    0＋0＝                      3－2＝