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26年8月国际C卷练习 · 第 11 题

26年8月国际C卷练习 · 原库模块 1 · Q11 参考答案

\( x+y=71 \) 
The given equation relates the total number of marble queen pothos stems, x, and the total number of snow queen pothos stems, y, a plant nursery propagates to create pothos plants. If 21 snow queen pothos stems are propagated, how many marble queen pothos stems are propagated?
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