<?php $a = "Hello"; printf( "3*4=%d\n", 3*4); //乗算 printf( "8/2=%s\n", $a); //除算 printf( "1+5=%d\n", 1+5); //加算 printf( "7-3=%d\n", 7-3); //減算 printf( "10%%3=%d\n", 10%3); //剰余 ?>
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