999? +? 1 1 1 1? =? 2 1 10

123+ 1289= 14 12

327+ 1845=2 172

1 1 1 1? 199? =? 9 12

70-25=45

123? 89? =? 34

12? ×? 13=? 156

1 1? ×? 67=? 737

99? ×? 9=? 89 1

123? ×? 7=? 86 1

Vertical, please see the picture: