9－4－2={#blank#}1{#/blank#}

9-2-3=               8+0-4=               5+3-5=

6+2-3=               9-4+1=               8-8+2=

7-3-2=               9-0-3=                8-5-3=

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

8-0-3=               9-7+2=               8-3+3=

6+3=      8-5=      2+2=       9-7=

4+3=      7-1=      6-2=       3+3=

8-6=      7+3=      10-8=      9-5=

2+6+1=      9-9+5=      10-7+2=

3+4-2=      10-3-7=      6+4-8=

8-4+2=      5+3-6=      10-4-6=