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Rules of Numbers

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jacs30's version from 2016-01-22 01:32

Rules Even (+/-) Odd

Question Answer
even +/- eveneven
even +/- oddodd
odd +/- evenodd
odd +/- oddeven
memorize

Rules Even ( * / ) Odd

Question Answer
even */ eveneven
even * / oddeven
odd * / eveneven
odd * / oddodd
memorize

Rules Signs (+/-)

Question Answer
+ (+) ++
+ (+) -?
'- (+) +?
'- (+) --
+ (-) +?
+ (-) -+
'- (-) +-
'- (-) -?
memorize

Rules Signs (*/)

Question Answer
+ (*) ++
+ (*) --
'- (*) +-
'- (*) -+
+ (/) ++
+ (/) --
'- (/) +-
'- (/) -+
memorize

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