Correct
口诀
/ kǒujué /
Strokes
Definition
mnemonic chant/rhyme for remembering (arithmetic tables, character stroke order etc)
Example
As a Noun
pithy mnemonic formula ［often in rhyme］; mnemonic rhyme
1
Zhūsuàn
珠算
kǒujué
口诀
abacus rhymes
2
Jiāfǎ
加法
/
jiǎnfǎ
减法
/
chéngfǎ
乘法
/
chúfǎ
除法
kǒujué
口诀
formula for addition/subtraction/multiplication/division
3
Bēi
背
kǒujué
口诀
memorize a formula