二一添作五
èr yī tiān zuò wǔ
lit. one half equals zero point five (division rule in abacus reckoning)
to share fairly between two parties; to go fifty-fifty
ReviewReviewèr yī tiān zuò wǔ
lit. one half equals zero point five (division rule in abacus reckoning)
to share fairly between two parties; to go fifty-fifty