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摘要： #include <stdio.h> int main () { int x=1234; float f=123.456; double m=123.456; char ch='a'; char a[]="Hello,world!"; int y=3,z=4; printf("%d %d\n",y,z); printf("y=%d,z=%d\n",y,z); printf("%8d,%2d\n", 阅读全文