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Doubles Plus 1 Doubles are fun, Better yet, Doubles plus 1! Double a 4, We all know that, 'Cause adding is great! So 4 + 5, Is just 1 more! Check to be sure! 4 + 4, Plus 1, Is 9, Doubles plus 1, Saves you time!!! Know a double? Add 1 more! Doubles plus 1, That's the score... Doubles, doubles, Doubles are fun, Better yet, Doubles plus 1!


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