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ax=43 si ay=10 calculați a(x+y) si a(x-y)

Răspuns :

[tex]a(x+y)=ax+ay=43+10=53[/tex]

[tex]a(x-y)=ax-ay=43-10=33[/tex]
a(x+y)= ax+ay=43+10=53
a(x-y)=ax-ay=43-10=33