Integer variables, character variables, how to convert these things into decimal, try to be as detailed as possible ~ then fill in the blanks for me.
046=4*8+6=38
054=5*8+4=44
0x 125 = 1 * 256+2 * 16+5 = 293
39=047
0x 123 = 100 1000 1 1b
The ASC code of' a' is 65, which means 16, and the hexadecimal code is 0x4 1.