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Thursday, December 20, 2012

Jandro's Integer post


(-12) divided by (-4)

how many groups of (-4) can go into (-12)?

O O O
O O O
O O O = (+3)
O O O

(-3) x 4 =(-12)

                   (-3)<-----(-3)<----- (-3)<-----(-3)<-----
<--------------------------------------------------------0>
                   (-12)<-----(-9)<----- (-6)<----- (-3)-----


have 3, owe 10
(+3) + (-10)= (-7)

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http://www.youtube.com/watch?v=X4sRy7_usYI


Sorry, I had the video because the HTML wasnt working so I had to get a link only. This video shows about adding and subtracting integers

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