Question 1
Evaluate $T$:
$T=(7+11+15+\cdots+1831+1835)$
$\qquad-(14+18+\cdots+1822+1826)$.
$T=(7+11+15+\cdots+1831+1835)$
$\qquad-(14+18+\cdots+1822+1826)$.
AMO 2027 Grades 4-5 SET 18 - Self-study Question 1
AMO · AMO 2027 Grades 4-5 SET 18 - Self-study