Domanda di colloquio di Mathnasium
What is 99+99+99?
Risposta di colloquio
Anonimo
5 apr 2019
297 (used mental math, explained that 99 is 1 off from 100 three times, so 300-3=297).
What is 99+99+99?
Anonimo
297 (used mental math, explained that 99 is 1 off from 100 three times, so 300-3=297).