bonjour
a ( b - c) = a * b + a * ( - c )
= ab - ac
a*a = a²
Bonjour,
a(b-c)=ab-ac
a*a=a²
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bonjour
a ( b - c) = a * b + a * ( - c )
= ab - ac
a*a = a²
Bonjour,
a(b-c)=ab-ac
a*a=a²