ITMC 2026 Grade 7 National Preliminary sample-r1 Question 1

Printed positive marks are preserved per question. The source uses different blank-answer and incorrect-answer rules by section, including an optional bonus penalty; the import does not reproduce that complete official scoring scheme.

Year 2026 assigned because the source does not state an exam year.

If $A=2019$ and $B=2562$, find $2562A-2019B$.