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SEAMO X 2022 — Paper B — Grade 3–4 Question 6

SEAMO · SEAMO X 2022 — Paper B — Grade 3–4

Question 6

Evaluate $\frac1{1\times2\times3}+\frac1{2\times3\times4}+\frac1{3\times4\times5}+\cdots+\frac1{98\times99\times100}$.