Maths Binary addition?

2017-02-04 2:48 pm
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更新1:

Correct Answer is 0011 0001 but my answer is 01011 1001 what's wrong? Help

回答 (1)

2017-02-04 5:37 pm
✔ 最佳答案
Sol
44=32+8+4=100000(2)+1000(2)+100(2)=1001100(2)
45=32+8+4+1=100000(2)+1000(2)+100(2)+1(2)=1001101(2)
1001100
+1011101
--------------------------
10101001
10101001(2)=1000000(2)+10000(2)+1000(2)+1(2)=64+16+8+1=89


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