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If a is an even integer and b is an odd integer then prove a − b is an odd integer
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678
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Prove there is no integer that is both even and odd
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1K
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Prove that the difference of two consecutive cubes is never divisible by 3
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890
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Find the last digit of 7^2013
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1K
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Prove the sum of two odd numbers is even
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959
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A shoe store was having a sale where 2 pairs of Brand A shoes cost $23.10 and 3 pairs of Brand B sho
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628
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Three ordinary dice are rolled. What is the probability that the results are all less than 5
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608
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list the natural numbers less than 70 that are divisible by 8
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660
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The length of a rectangle is 6 less than twice the width. If the perimeter is 60 inches, what are th
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737
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The length of a rectangle is three times its width.If the perimeter is 80 feet, what are the dimensi
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602
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Prove that the difference between alternate consecutive squares as always even
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618
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The sum of two numbers is 231. The larger is twice the smaller. What are the numbers?
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526
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John's age is twice Mary's age
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356
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Prove 0! = 1
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483
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Twice a number decreased by eight is zero
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397
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The sum of two y and the quantity of three plus y plus twice the quantity two y minus two equals fif
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383
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Twice the quantity of seven plus x is the same as the difference of x and seven
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350
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Twice the quantity of two y and six
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303
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The difference of five and five y is the same as eight and two y
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446
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The sum of two y and three is the same as the difference of three y and one
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0
Views
379
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