Question 1
What is the value of $ 19 \times 1 + 19 \times 3 + 19 \times 5 + 19 \times 7 + \cdots + 19 \times 19 $?
IMAS 2018 — Middle Primary Grades 3–4 — Round 1 Question 1
IMAS · IMAS 2018 — Middle Primary Grades 3–4 — Round 1
IMAS · IMAS 2018 — Middle Primary Grades 3–4 — Round 1