由於我忽略了一個細微之處,我的計算錯了英文怎麼說？

My calculation was wrong because I overlooked one tiny point.

你計算中有個錯誤英文怎麼說？

There's an error in your calculation.

經仔細考慮,他們決定讓他擔任經理職務英文怎麼說？

After much calculation they decided to give him the position of manager.

據我估計,百分之五的學生不能通過這次考試英文怎麼說？

By my calculation, 5% of the students will fail in the exam.

我計算中有沒有出差錯?英文怎麼說？

Did I make any error in my calculation?