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Foundations of GMAT Math (Variables).
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Foundations of GMAT Math (Variables).
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Foundations of GMAT Math (Variables)"could be" true (roman numeral problem) - ✅✅ -- prove a roman numeral
POSSIBLE
- we find a case that makes the roman numeral true
"must be" true (roman numeral problem) - ✅✅ -- is there even one case where
the roman numeral is FALSE?
- test cases to try to make the roman numeral false
(even)^x = - ✅✅-even
(odd)^x = - ✅✅-odd
0 x anything = - ✅✅-0
equation - ✅✅-two numbers that are the same
even +/- even = - ✅✅-even
even +/- odd = - ✅✅-odd
even x even = - ✅✅-even
even x odd = - ✅✅-even
expression - ✅✅-math with addition and subtraction
is 0 even or odd? - ✅✅-even
neg + neg = - ✅✅-neg
neg x neg = - ✅✅-pos
odd +/- odd = - ✅✅-even
odd x odd = - ✅✅-odd
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