SOAL:
1. 120 + 54
2. 224 -132
3. 112 -89
4. 110 + 100
5. 200 + 20
6. 111 – 25
JAWABAN:
1. 120=1111000
54=110110
120/2 =60 sisa
0
54/2 =27 sisa 0
60/2 =30 sisa
0
27/2 =13 sisa 1
30/2 =15 sisa
0
13/2 =6 sisa1
15/2 =7 sisa
1
6/2 =3 sisa 0
7/2
=3 sisa
1
3/2 =1 sisa 1
3/2
=1 sisa
1
1
1
Jadi,
1111000
sehingga 120 +54 =11111110
110110 +
11111110
2. 224=11100000
132=10000100
224/2 =112 sisa
0
132/2 =66 sisa 0
112/2 =56 sisa 0
66/2 =33 sisa 0
56/2 =28
sisa
0
33/2 =16 sisa
1
28/2 =14
sisa
0
16/2 =8 sisa 0
14/2
=7 sisa
0
8/2 =4 sisa 0
7/2
=3 sisa
1
4/2 =2 sisa 0
3/2
=1 sisa 1
2/2 =1 sisa 0
1
1
Jadi,
11100000
sehingga, 224 – 132 = 01100100
10000100
01100100
3. 112=
1110000
89=1011001
112/2 =56 sisa
0
89/2 =44 sisa1
56/2 =28 sisa
0
44/2 =22 sisa0
28/2 =14 sisa
0
22/2 =11 sisa 0
14/2 =7 sisa
0
11/2 =5 sisa 1
7/2
=3 sisa
1
5/2 =2 sisa 1
3/2
=1 sisa
1
2/2 =1 sisa 0
1
1
Jadi,
1110000
sehingga, 112 -89 =0011001
1011001 -
0011001
4. 110 =
1101110
100 = 1100100
110/2 =55 sisa
0
100/2 =50 sisa 0
55/2 =27 sisa
1
50/2 =25 sisa 0
27/2 =13 sisa
1
25/2 =12 sisa 1
13/2 =6 sisa
1
12/2 =6 sisa 0
6/2
=3 sisa
0
6/2 =3 sisa 0
3/2
=1 sisa
1
3/2 =1 sisa 1
1
1
Jadi,
1101110
sehingga, 110 + 100 =11111110
1100100 +
11111110
5. 200
=11001000
20 =10100
200/2 =100 sisa
0
20/2 =10 sisa 0
100/2 =50 sisa
0
10/2 =5 sisa 0
50/2 =25
sisa
0
5/2 =2 sisa 1
25/2 =12
sisa
1
2/2 =1 sisa 0
12/2
=6 sisa
0
1
6/2
=3 sisa 0
3/2
=1 sisa 1
Jadi,
11001000
sehingga, 200 +20 =11011100
10100 +
110011100
6. 111
=1101111
25 = 11001
111/2 =55 sisa
1
25/2=12 sisa 1
55/2 =27
sisa
1
12/2 =6 sisa 0
27/2 =13
sisa
1
6/2 =3 sisa 0
13/2
=6 sisa
1
3/2 =1 sisa 1
6/2
=3 sisa 0
1
3/2
=1 sisa 1
1
Jadi,
1101111
sehingga, 111-25 =
1010110
11001 -
1010110