0020. Show how you would add the following binary
numbers:
a.
1011101 + 101111
b.
1110111 + 101001
c.
1110110100 + 101001 + 111101
1011101 1110111
1110110100
+ 0101111 + 101001 +
101001
-------------- -------------- + 111101
10001100 10100000 ------------------
10000011010