It's called mental math.
The opposite of add is subtract.
It depends on if you want to add them, subtract, multiply, divide, or something else with them.
It depends on how the rest of the question is worded. If it says "how many were left," for example, that means to subtract. On the other hand, if it says something like "how many were added," it means to add.
You add or subtract only the numerators
By the signs: 2+2(Add) 2-2(Subtract) +=add -=subtract
reconstruction APEX ;)
You would usually associate total with add. However getting a total can sometimes involve having to subtract something.
MR is Memory Recall MC is Memory Clear M+ is Memory add M- is Memory subtract These are used to add and subtract the answers to multi-step equations so you can do the small steps with the calculator, then store, change or recall the total as needed. You might add a long string of numbers in groups this way. Or you can do all operations in one parenthesis, then just store the total of each.
wich one
When multiplying something with exponents, you add it. When dividing something with exponents, you subtract it.
does how many mean add or subtract
Add some thing subtract something divide something and multiply something and that's your answer
The opposite of add is subtract.
it means to subtract
It depends on if you want to add them, subtract, multiply, divide, or something else with them.
You add or subtract only the numerators
deposit = add withdraw = subtract