zài / zhè / gè / biǎo / dá / shì / zhōng / wǔ / shì / jiā / fǎ / yùn / suàn / de / yí / gè / cāo / zuò / shù在这个表达式中,五是加法运算的一个操作数。In this expression, five is one of the operands in the addition.