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using a dot using parenthesis ex: (2)(3)
Multiplication by an integer is the same as repeated addition.
There are many different problems and different ways for solving them.
6!6 * 5 * 4 * 3 *2= 640 ways========( I did the multiplication in hy head, so check it. )
You can indicate division in 3 different ways: (hard to show in the WikiAnswers browser) - with a division sign (a hyphen with a dot above and a dot below) - as a fraction: 3/8 (but on paper the bar would be horizontal) - as multiplication by a reciprocal: 3 x (1/8) (If this doesn't answer your question, please reword it and resubmit it.)