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The subtration problem has A=2 and B=1 so the difference between the two is 1.
21 base 4- 12 base 4= 3 base 4
Can't check the answer right now because of computer problems, but I'm like 99.99% it's right, so thank you! :D
Sounds good!
Yup, it was correct! Thanks again *thumbs up*
+934 
+194 
