What do we subtract FIRST? https://talkandcomment.com/p/ad9330a8057684f16251b5dc (voice note)
Tens
Ones
A. 18
B. 12
C. 138
D. 2
A. 90
B. 94
C. 4
D. 0
A. 411
B. 35
C. 25
D. 45