"502除以580等于几"...502除以580等于几

　"502除以三十"...502除以三十

　"502除以61"...502除以61

　"502除以十八"...502除以十八

　"502除以69等于"...502除以69等于

　"502-216除以3等于几"...502-216除以3等于几

　"502+325除以5等于几"...502+325除以5等于几

　"502除以100-48等于几"...502除以100-48等于几

　"5030除以2等于几"...5030除以2等于几

　"5020除以5等于几"...5020除以5等于几