The latter role is specific to the symbiotic nature of ECMs, in that the fungi associated with the fine roots can sometimes acquire C from the soil through enzymatic breakdown of organic matter especially during winter months when supplies of photosynthates from host plant are low or unavailable as well as from the tree photosynthates at a rate ...
In mathematics, summation (symbol: â) is the addition of a sequence of numbers; the result is their sum or total. If numbers are added sequentially from left to right, any intermediate result is a partial sum, prefix sum, or running total of the summation.
The prices have been added together to give you the sum. In algebra, when you hear the sum of 35 and n we know it refers to addition and we think 25 + n. Let's try a few phrases and turn them in to algebraic expressions for addition: Question: 7 plus n. Answer: 7 + n. Question: add 7 and n. Answer: 7 + n.