Latin was the language of the Romans and the Latin word for plus or addition is 'additivus' and the Latin word for minus or subtraction is 'subtractus'
Purple.
1900 is shown by a thousand plus a thousand minus 100. The depiction would be MCMXV.
They are called plus and minus - no difference there!
Because adding a negative is the same as subtracting a positive. In other words, minus a plus is he same as plus a minus. For example 5+ (-3) = 5-3 = +2 5 -(+3) = 5-3 = +2 Remember minus a plus = = minus plus a minus = minus plus a plus = plus minus a minus = plus
Zero
Same mathematical signs equal plus Different mathematical signs equal minus Plus Plus = Plus (+)(+) = + Minus Minus = Plus (-)(-) = + Plus Minus = Minus (+)(-) = - Minus Plus = Minus (-)(+) = - So the direct answer to your question would be: plus minus equals minus
A plus + a plus is a plus.
A minus and a minus makes a plus A plus and a plus makes a plus A minus and a plus or plus and a minus makes a minus 7 - -2 is a minus and a minus Therefore the answer is 7 + 2 = 9
They are: MDCCCLXV and MDCLXXXVII respectively
2
Yes it does. A minus is the opposite of something, so the minus of a minus is a plus.
A plus with a minus under it means "plus or minus" in math.
Because both minus signs to be cut therefore minus * minus will be treated as plus numbers
A plus times a plus is still a plus. Below is the way I remembered it: If there is not a minus sign, it is plus (positive). If there is 1 minus sign, it is minus (negative). If there are 2 minus signs, it is plus (positive).
No, it becomes a plus, since minus x minus = plus
Your question does not make sense. It would probably be interpreted as a + = ++a ---a
It is a problem that can be easily resolved with a calculator.