7
Add
To write the expression for double 2 and then add 5, you first calculate double 2, which is (2 \times 2 = 4). Then, you add 5 to this result: (4 + 5). The complete expression is ( (2 \times 2) + 5 ), which simplifies to 9.
7
It can be known as: Multiply, Divide, Add, and Subtract...and more.
YOU add and multiply
increas
ADD
You have to add the sum up and divide it by the numbers there are there. Like 5 7 8 9 add it up it's 29 29 divide by 4. Which I'd 5 rem 4
11
In math the mean is the average. If you want the mean of a group of numbers you add them all together. Then you divide by the how many numbers there are.
to do it in your head its mental math.
in maths add means to add numbers together . it is usally added in to an equation.