Signposts the direct way to plus versus minus
Schlüsselwörter
plus,
minus,
addition,
subtraction,
mathematic,
arithmetic,
number,
positive,
negative,
balance,
equation,
calculation,
difference,
value,
increase,
decrease,
opposite,
contrast,
choice,
decision,
direction,
symbol,
icon,
signs,
concept,
abstract,
mathematic,
german