填空题：设数列{an}、{bn}都是等差数列，且a1=25，b1=75，a2+b2=10

设数列{a_n}、{b_n}都是等差数列，且a₁=25，b₁=75，a₂+b₂=100，那么由a_n+b_n所组成的数列的第37项值为 .

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