The dynamic model for subtracting two 2-digit numbers https://www.geogebra.org/m/ChHVE2V7
Click on slider a and assign for it the value a = 0.5, then one of the blocks, representing tens, will jump from left to the right side (the side of …
홈 뉴스 피드 자료 프로필 사람들 클래스룸 앱 다운로드 The dynamic model