...White T Shirt is okay! Merely blacken the entire board with the marker, then use fingertip to trace all those integers, x's, y's, and square roots, revealing them in white...!
jwm239 1 month ago
awesome, i love these
mynamegood1 1 year ago
...White T Shirt is okay! Merely blacken the entire board with the marker, then use fingertip to trace all those integers, x's, y's, and square roots, revealing them in white...!
jwm239 1 month ago
awesome, i love these
mynamegood1 1 year ago