鶴亀算

Reading

Kana: つるかめざん

Romaji: tsurukamezan

Definition

noun

1

obtaining the respective numbers of cranes and tortoises from the total of their heads and legs; calculating the values of two unknown quantities from their unit total and the total of one of their attributes

Kanji

鶴

Readings: カク、 つる

Meanings: crane, stork

亀

Readings: キ、 キュウ、 キン、 かめ

Meanings: tortoise, turtle

算

Readings: サン、 そろ

Meanings: calculate, divining, number, abacus, probability