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a-b=509 a÷b=57rest5 a=?b=?


Răspuns :

a-b=509
a÷b=57r.5=>a=b×57+5
b×57+5-b=509
b×56+5=509
b×56=509-5
b×56=504
b=504÷56
b=9
a-b=509
a-9=509
a=509+9
a=518

Raspuns: a=518
b=9


Eu am rezolvat problema prin metoda algebrica. Sper ca te-am ajutat!