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Rezolva exercitiul!
ax4+36x3+292:5=200
Repede! Am tema!


Răspuns :

a×4+(36×3+292):5 = 200
a×4+(108+292):5 = 200
a×4 + 400:5 = 200
a×4 + 80 = 200
a × 4 = 200-80
a × 4 = 120
a = 120 : 4
a = 30