#include <stdio.h>

int main() {

    printf("원하는 단은? 3단\n");
    printf("%dx%d=%d\n",3, 9, 3*9);
    printf("%dx%d=%d\n",3, 8, 3*8);
    printf("%dx%d=%d\n",3, 7, 3*7);
    printf("%dx%d=%d\n",3, 6, 3*6);
    printf("%dx%d=%d\n",3, 5, 3*5);
    printf("%dx%d=%d\n",3, 4, 3*4);
    printf("%dx%d=%d\n",3, 3, 3*3);
    printf("%dx%d=%d\n",3, 2, 3*2);
    printf("%dx%d=%d\n",3, 1, 3*1);
    
    return 0;
}

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