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MATH / How many paths are there from A to B on the lines of the grid shown, if every step must be up or to the right?[asy]size(3cm,3cm);int w=6;int h=3;int i;for (i=0; i<h; ++i) draw((0,i… · Discussion

Discussing How many paths are there from A to B on the lines of the grid shown, if every step must be up or to the right?[asy]size(3cm,3cm);int w=6;int h=3;int i;for (i=0; i<h; ++i) draw((0,i… · MATH

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