Èr yī tiān zuò wǔ is a mnemonic for division in abacus calculation, meaning one-half equals 0.5, and metaphorically represents an equal split between two parties.
二一添作五是指原本是珠算除法的一句口诀，意思是二分之一等于0.5，比喻双方平分。
| 成语 | 二一添作五 |
|---|---|
| 解释 | 本是珠算除法的一句口诀，是二分之一等于0.5的意思。比喻双方平分。 |
| 拼音 | èr yī tiān zuò wǔ |
| 拼音码 | eytw |
Tags: freq1
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