3＋4＝          0＋9＝          3＋3＝

7－3＝          6＋1＝          5－0＝

8＋1－4＝      10－2－5＝      4－2＋7＝

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＝