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Earn +20 ptsQ: Is a happy number plus another happy number always a happy number?
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Continue Learning about Math & Arithmetic
What does a plus and a plus make in algebra?
A positive number added to another positive number always results in a positive sum.
What does a negative number plus a negative number equal?
A negative plus a negative still gives a negative answer.
Why is the sum of three odd numbers always odd?
Because the sum of two odd numbers is always even and the sum of that even number plus another odd number is always odd.
Is a negative number plus a positive number always negative?
No.
Does a odd number plus a odd number always equal a even number?
Yes.
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