All numbers ending in three are odd.
If you multiply any even number by an even number, the product is an even number.
There is need for a conjecture. It is an easily proven fact that an even number minus an even number is always an even number.
Your question is incomplete. Adding an even number with an odd number will always result in an odd number. Multiplying an even number with an odd number will always result in an even number.
An odd number plus an odd number will be an even number. Odd number A is (even number + 1) Odd number B is (even number + 1) A + B = (even number + 1) + (even number + 1) = even number + even number + 2 Since all even numbers are divisible by 2 and 2 is divisible by 2, each part of the result is divisible by 2, so the sum as a whole is divisible by 2, which means it is an even number.
All numbers ending in three are odd.
If you multiply any even number by an even number, the product is an even number.
Yes, an even number plus an even number is always even. Also, and odd number plus an odd number is always even.
It is an even number.
Yes, an even number multiplied by an odd number or an even number will give you an even number.
An even number can be a multiple of an odd number OR an even number. An odd number cannot be a multiple of an even number.
It is even
If you add, subtract, or multiply two even numbers, you will get an even number. If you divide an even number by another even number, you may get an even number, an odd number, or even a fraction.
If you add an even number to an even number, you will have an even number as a result.
Any even number minus another even number is either even or zero. Any odd number minus another odd number is also either even or zero.
YES. Any number multiplied by an even number is an even number.
There is need for a conjecture. It is an easily proven fact that an even number minus an even number is always an even number.