问题描述:
sbit key1 = p1^0; sbit key2 = p1^1; sbit key3 = p1^2; sbit key4 = p1^3; sbit fmq=p2^1;
sbit key1 = p1^0;
sbit key2 = p1^1;
sbit key3 = p1^2;
sbit key4 = p1^3;
sbit fmq=p2^1;
sbit key1 = p1^0;
sbit key2 = p1^1;
sbit key3 = p1^2;
sbit key4 = p1^3;
sbit fmq=p2^1;
问题解答:
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