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=

□－□＋□＝□

52=7      954=0

98=1      867=9

44=0      932=8

3{#blank#}1{#/blank#}6{#blank#}2{#/blank#}5＝4     8{#blank#}3{#/blank#}4{#blank#}4{#/blank#}3＝7

7{#blank#}5{#/blank#}3{#blank#}6{#/blank#}＝2     3{#blank#}7{#/blank#}3{#blank#}8{#/blank#}3＝9