int n=10; while(n>7){n--; cout
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![int n=10; while(n>7){n--; cout](/uploads/image/z/10706455-55-5.jpg?t=int+n%3D10%3B+while%28n%3E7%29%7Bn--%3B+cout)
int n=10; while(n>7){n--; cout
int n=10; while(n>7){n--; cout
int n=10; while(n>7){n--; cout
step1: n = 10 > 7 ,n--,n=9,输出9,
step2: n = 9 > 7, n--,n=8,输出8,
step3: n = 8 > 7,n--,n=7,输出7,
step4: n = 7 = 7, end while!
就是输出:9,8,7,