| 摘要 |
The adder circuit according to the subject of the invention has a main circuit 1, which has only 5 or 6 individual adder circuits 12. The number 1, 5 or 6 is added using 2 upwards shift circuits 2 and 3, of which circuit 2 is a six upwards shift circuit and circuit 3 is a five upwards shift circuit, and each of them is combined with a straight-through circuit. Instead of adding the number 1, the number 11 is added without carry, and the number 1 is thus added. <IMAGE>
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