Question 3
Find the tens digit of 5 + 15 + 25 + 35 + 45 + 55 + 65 +75 + 85.
PIMSO 2025 - Mathematics - Primary 2 - National Round Question 3
PIMSO Maths · PIMSO 2025 - Mathematics - Primary 2 - National Round
PIMSO Maths · PIMSO 2025 - Mathematics - Primary 2 - National Round