列式：{#blank#}1{#/blank#} 

2+3=     2-2=      4-0=      1+1=

5+0=     0+1=     5-4=      1+4=

4-4=     2-0=       4-3=     0+3=

4-1=      1+3=     2+0=      3-1=

□○□=□（个）

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＝