德拉反复数了三次，还是一元八角七，而第二天就是圣诞节了。
One dollar and eighty-seven cents. And the next day would be Christmas.
本文探讨了复数与三角、几何、不等式和二项式的关系以及它在相关问题中的应用。
This article has dealt vrith the relationships between complex number and triangle, geometry, inequality and binomial and their applications in related exercises.
德拉反复数了三次，还是一元八角七，而第二天就是圣诞节了。
Three times Della counted it. One dollar and eighty - seven cents. And the next day would be Christmas.
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