Multiplication is vexation

Multiplication is vexation,
Division is as bad.
The rules of three perplexes me,
And practice drives me mad.

掛け算は悩みの種。

割り算はまったくもってだめ。

比例算は私を悩せ、

練習問題は頭に来る。

[æ] bad/ mad

[i:] three/ me