Most KDR answers in 2012 required answers to be written as integers or finite decimals .
The "Kraevaya Diagnosticheskaya Rabota" (KDR) for 9th-grade mathematics held in (typically in the Krasnodar region) followed a standard structure designed to prepare students for the OGE (State Final Examination).
Geometry (angles, triangles, or basic area calculations). Task 7+: Word problems (speed, work, or percentages). 🔑 General Answer Keys (Standard Variants)