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a+10000=20000, a+200=100

Răspuns :

Răspuns:

a+10000=20000

a=20000-10000

a=10000

a+200=100

a=100-200

a=-100

Răspuns:a+10000=20000

a=20000-1000 a=10000, a+200=100 a=200-100 a=100