UEC Senior 1 · 数学 (Mathematics)

排列与组合 (Permutations and Combinations)

排列与组合是高一数学中最考验逻辑思维的章节，尤其是分组分配及限制条件下的排列问题，往往让许多学生在审题时感到无从下手。只要掌握好加法与乘法原理的核心概念，并学会运用插空法或捆绑法来化解难题，你就能轻松攻克统考中的这类必考题型。

93 practice questions中文Free

Other 数学 (Mathematics) chapters

Track what you know

You can try the questions without an account. Sign up free to save your progress, see what you got wrong, and pick up where you left off.