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.
increas
ADD
YOU add and multiply
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
to do it in your head its mental math.
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.
in maths add means to add numbers together . it is usally added in to an equation.