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Mathematics, 16.10.2019 01:40 vkrizh

Which biconditional is not a good definition?

a whole number is even if and only if it is divisible by 2.

a ray is a bisector of an angle of and only if it splits the angle into two angles.

an angle is straight if and only if it’s measure is 180.

a whole number is odd if and only if the number is not divisible by 2.

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Which biconditional is not a good definition?

a whole number is even if and only if it...
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