-THE CONFERENCE WAS ORGANIZED FOR ALL OF THE _______ IN THE STAT...

1784. - 1926 CAU HOI TN ON THI TSDH VA TN THPT
1926 CAU HOI TN ON THI TSDH VA TN THPT
1784. -The conference was organized for all of the _______ in the state. careful careful manner mathematic teachers mathematics teachers carefully mathematics teacher care mathematic's teachers