Warning: fopen(/www/wwwroot/www.wendadaohang.com/data/md5_content_title/c6/c65dcaf878fbdd687c048d3bd995d104.txt): failed to open stream: No space left on device in /www/wwwroot/www.wendadaohang.com/inc/function.php on line 2468
Warning: flock() expects parameter 1 to be resource, bool given in /www/wwwroot/www.wendadaohang.com/inc/function.php on line 2469
Warning: fclose() expects parameter 1 to be resource, bool given in /www/wwwroot/www.wendadaohang.com/inc/function.php on line 2475 把21分成7份,每份是3。用除法算式21÷7=3表示。这道题是对还是错? - www问答网