a) 10011102 -> 1.26+0.25+0.24+1.23+1.22+1.21+0.20 = 7810
b) 7910 -> 10011112
Cách tính:
79:2=39 (dư 1)
39:2= 19 (dư 1)
19:2=9 (dư 1)
9:2=4 (dư 1)
4:2=2 (dư 0)
2:2=1 (dư 0)
1:2=0 (dư 1)
->1001111
c) 1F3AB16 -> 1.164+15.163+3.162+10.161+11.160 = 12791510
d) 1378310 -> 55D716
Cách tính:
13783:16=861 (dư 7) -> 7
861:16=53 (dư 13) -> D
53:16=3 (dư 5) -> 5
5:16= 0 (dư 5) -> 5