SEAMO 2019 — Paper C — Lớp 5–6 Câu hỏi 25

Tính $\frac17+\frac38+\frac7{36}+\frac{29}{56}+\frac{37}{63}+\frac{41}{72}+\frac{53}{77}+\frac{29}{84}+\frac3{88}$.