#1**+1 **

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

HELPMEEEEEEEEEEEEE Apr 7, 2020

#2**+2 **

Can't check the answer right now because of computer problems, but I'm like 99.99% it's right, so thank you! :D

somehelpplease
Apr 7, 2020