【黃豐諭】評論
/28=255.255.255.1111 0000132.145.221.125/28125=01111101132.145.221.112/28112=01110000對比:0111 11010111 0000前四個相同~~所以選A
【黃豐諭】評論
/28=255.255.255.1111 0000132.145.221.125/28125=01111101132.145.221.112/28112=01110000對比:0111 11010111 0000前四個相同~~所以選A