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Q: The number 5 6 and 11 are a fact family make two addition facts and two subtraction facts with these three numbers.?

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Real numbers are closed under addition and subtraction. To get a number outside the real number system you would have to use square root.

The relationship between addition and subtraction is inverse. We can add two counting numbers together, and we do not need to pay attention to the order of these whole numbers. But, for subtraction, we have to subtract the smallest counting number from the largest counting number.

Subtraction is the addition of a negative number.

The answer depends on how the numbers are combined: addition, subtraction or multiplication.

Addition and subtraction!

When you are starting to learn about numbers, their addition and subtraction.

for addition you take the sum and subtract one of the numbers being added from it and for subtraction you add the difference with the second number being subtracted so it equals the first number

You can have counting number in multiplication and addition. All integers are in multiplication, addition and subtraction. All rational numbers are in all four. Real numbers, complex numbers and other larger sets are consistent with the four operations.

It shows multiple numbers in order to use in addition, subtraction, etc.

It is tough to find similarities, but I can think of couple listed below. 1. Both Addition and Subtraction can only be done on numbers. 2. Subtraction is also addition with negative number. Hope this helps.

No, subtraction is not a short cut for additon. In addition, you add numbers to another number to make it bigger. For example, adding 2 to 3 gives you 5. You can see that 5 is bigger than 2 and 3. However, for subtraction, you take away numbers to make a number smaller. If you take away 2 from 5, you get 3. As you can see, 3 is smaller than 5, which proves that subtraction makes a number smaller.

There is no counterexample because the set of whole numbers is closed under addition (and subtraction).

Yes it does. Because the it acts like subtraction, but since the positive, negative number scales run backwards like a mirror, subtraction is addition with two negative numbers.

In Chemistry, the family number tells you how many electrons the element gives, gains, or shares. It also tells you how many valance electrons you have. In addition and subtraction, number families include two lesser numbers and one greatest number (also called the smaller and larger numbers) such as 4+3=7 and 7-4=3

Binary (you operate on two numbers to arrive at one number). Mutual Inverses.

0 is the identity

Addition and subtraction can be thought of as the same thing because subtracting a negative number is the same as adding it and adding a negative number is the same as subtracting it.

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No, nor under addition, either. The sum or difference of two odd numbers is NOT an odd number.No, nor under addition, either. The sum or difference of two odd numbers is NOT an odd number.No, nor under addition, either. The sum or difference of two odd numbers is NOT an odd number.No, nor under addition, either. The sum or difference of two odd numbers is NOT an odd number.

Rational and irrational numbers are part of the set of real numbers. There are an infinite number of rational numbers and an infinite number of irrational numbers. But rational numbers are countable infinite, while irrational are uncountable. You can search for these terms for more information. Basically, countable means that you could arrange them in such a way as to count each and every one (though you'd never count them all since there is an infinite number of them). I guess another similarity is: the set of rational numbers is closed for addition and subtraction; the set of irrational numbers is closed for addition and subtraction.

multiplication-addition-subtraction-division

It is the "additive identity".

Because a negative negative is the same a a positive, and because of the definition of subtraction and addition.

The fundamental operations are operations in arithmetic: addition, subtraction, multiplication and division. These are the same whatever the base of the number system.

They are inverses. For any numbers a, b, and c if: a + b = c then: a = c - b and b = c - a In words, addition is raising the value of a number by counting higher, (1, 2, 3, ...). Subtraction is the inverse (you count down 3, 2, 1, ...).