Vector seamless formula pattern with black doodles made from hand drawn pen writings. Useful for scientific, school and education design. premium vector by annyart

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vector sign texture cube board formula creative icon cell test drawing biology science learn solution sketch geometry study college student University chemistry proposition knowledge graph chart nucleus genius mathematics teacher blackboard mathematical algebra classroom doodle chalk subtraction math typography task chalkboard physic equation white background right angle handwritten text algebraical seamless formula pattern chalk handwriting

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