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<?php $a=345678; switch($a){ case $a%3&&$a&&5&&$a%7==0: echo"能同时被3，5，7整除"; break; case $a%3&&$a%7==0: echo"能被3，7整除"; break; case $a%5&&$a%7==0: echo"能被5，7整除"; break; case $a%3&&$a%5==0: echo"能被3，5整除"; break; case $a%3==0: echo"能被3整除"; break; case $a%5==0: echo"能被5整除"; break; case $a%7==0: echo "能被7整除"; break; default: "都不能除"; break; } ?> |