1) 7+4=11, 8+3=11, 5+6=11, 10+1=11, 9+2=11, 4+7=112) 6+5=11, 3+8=11, 1+10=11, 2+9=11, 7+4=113) 7+5=12, 8+4=12, 5+7=12, 10+2=12, 9+3=12, 4+8=12
1) 7+4=11, 8+3=11, 5+6=11, 10+1=11, 9+2=11, 4+7=11
2) 6+5=11, 3+8=11, 1+10=11, 2+9=11, 7+4=11
3) 7+5=12, 8+4=12, 5+7=12, 10+2=12, 9+3=12, 4+8=12