数列求和问题是新高考卷的常考内容，该题型的常见解QzZ39jni3lcSSmoppYuiwCccPihXJFx2UYKVKQavYng=法有：分组转baUIJGAmRh/lHo9rIBSFZExX4KNFupCLVF/yTr0Ois0=化法、裂项相消法、错位相减法、倒序相加法、并项求和法（试读）...