3 ms·

I developed the following method when I was in school: https://drive.google.com/file/d/0B8tashgCVLs9QWY1QldFaE1reVE https://drive.google.com/file/d/0B8tashgCVLs

by hliyan 11y ago

I developed the following method when I was in school: https://drive.google.com/file/d/0B8tashgCVLs9QWY1QldFaE1reVE https://drive.google.com/file/d/0B8tashgCVLs9QWY1QldFaE1reVE (notice that extended fingers indicate 0, not 1)