Avtor Demidova Kozlova Uchebnik Chast2 Pervogo Klassa Zada -

) corresponded to the numbered lockers in the hallway. Inside locker #20, Misha didn't find a prize, but something better: a lost "Order of Operations" medal that his teacher, Ms. Petrova, had dropped earlier that day.

Misha returned the medal, and Ms. Petrova smiled. "It seems you’ve mastered the textbook's primary goal," she said. "Not just calculating, but thinking logically to solve the world’s little mysteries." avtor demidova kozlova uchebnik chast2 pervogo klassa zada

Suddenly, Misha’s red pencil began to wiggle. Instead of writing numbers, it started drawing a tiny map right in the margin of his notebook. The pencil was pointing toward a "non-standard task"—the kind of logic puzzle the authors, Demidova and Kozlova, are famous for including to challenge young minds. ) corresponded to the numbered lockers in the hallway