Difference between revisions of "Sum"
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A '''sum''' is when a few groups of things are put all together. For example, there is one group of 2 carrots, one group of 3 carrots, and one group of 4 carrots. We sum them by sliding the groups all together, counting, and finding that there are 9 carrots all together. Thus the sum of 2 carrots, 3 carrots, and 4 carrots is 9 carrots. And those carrots can be replaced with anything; calculators, pencils, maple trees, planets, alternate realities, anything. | A '''sum''' is when a few groups of things are put all together. For example, there is one group of 2 carrots, one group of 3 carrots, and one group of 4 carrots. We sum them by sliding the groups all together, counting, and finding that there are 9 carrots all together. Thus the sum of 2 carrots, 3 carrots, and 4 carrots is 9 carrots. And those carrots can be replaced with anything; calculators, pencils, maple trees, planets, alternate realities, anything. | ||
| + | A sum is also the result of the operation [[addition]] | ||
We denote the sum function by <math>+</math>. Thus if we wanted to denote a sum of two carrots, three carrots, and four carrots mathematically, we would write <math>2+3+4=9</math>. | We denote the sum function by <math>+</math>. Thus if we wanted to denote a sum of two carrots, three carrots, and four carrots mathematically, we would write <math>2+3+4=9</math>. | ||
Revision as of 15:02, 6 September 2024
A sum is when a few groups of things are put all together. For example, there is one group of 2 carrots, one group of 3 carrots, and one group of 4 carrots. We sum them by sliding the groups all together, counting, and finding that there are 9 carrots all together. Thus the sum of 2 carrots, 3 carrots, and 4 carrots is 9 carrots. And those carrots can be replaced with anything; calculators, pencils, maple trees, planets, alternate realities, anything. A sum is also the result of the operation addition
We denote the sum function by 
. Thus if we wanted to denote a sum of two carrots, three carrots, and four carrots mathematically, we would write 
.
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