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It's called mental math.
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∙ 11y ago
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What is the opposite for add?
The opposite of add is subtract.
How do you add and subtract like denominator?
You add or subtract only the numerators
What does -23 18 equal?
It depends on if you want to add them, subtract, multiply, divide, or something else with them.
Does how many were mean to add or subtract?
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.
How do you know whether you should add or subtract the value of the two numbers?
By the signs: 2+2(Add) 2-2(Subtract) +=add -=subtract
Every time you remember something you remember it a bit differently and you sometimes add something or subtract something from the memory This is called?
reconstruction APEX ;)
What is MC on a calculator?
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.
What does total mean add or subtract?
You would usually associate total with add. However getting a total can sometimes involve having to subtract something.
Does decrease mean to add or subtract?
wich one
Does how many mean add or subtract?
does how many mean add or subtract
What are the rules adding and subtracting exponents?
When multiplying something with exponents, you add it. When dividing something with exponents, you subtract it.
What is the SI unit of energy and mass?
Add some thing subtract something divide something and multiply something and that's your answer
What is the opposite for add?
The opposite of add is subtract.
Does how many more mean add or subtract?
it means to subtract
What happens when you add and subtract energy?
How do you add or subtract energy?
What does -23 18 equal?
It depends on if you want to add them, subtract, multiply, divide, or something else with them.
How do you add and subtract like denominator?
You add or subtract only the numerators
