- * Use the [TAB] to move forward and the [SHIFT] + [TAB] keys to move back OR use the mouse.
- * Use the browser to return to your last page.
- * You have permission to save the page as is to run on your computer. All you will lose is the graphic.
- * Go to easier problems.
- * Go to subtraction problems.
- * Go to squaring & cubing problems.

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