Teacher Draw Condition Phase Synchronism Stock Photo 60956275 - Shutterstock View Preview Sign In We're Sorry! Sign in to our Contributor site. Sign In Forgot your password? Create your free account Create your Free Account Please send me product announcements, helpful advice, and special promotions. Download By creating an account, I agree to Shutterstock's Website Terms, Privacy Policy, and Licensing Terms. Sign In By Yellowj Royalty-free stock photo ID: 60956275 teacher draw condition of phase synchronism school math high teacher education board formula female genius black class physics concept symbol number energy quantum equation science study calculate white university lesson background blackboard brain building calculationback college educator hand hold human knowledge learn mathematical mathematics paper student studying success text theory woman write Show more Show less Categories: Education, Science Similar images See all Same model See all Same artist See all