问题

חשב את ערך הביטוי `(1/(1*100) + 1/(2*99) + 1/(3*98) + ... + 1/(49*52) + 1/(50*51))/(1/1+1/2+1/3+1/4+...+1/99+1/100)`


主题:
代数学 -> 数列 代数学 -> 代数技巧 -> 裂项求和
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