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determină valoarea lui A

[48+50x100:(28:A+3x2)-14]x[(50-4x5)+(143-4x6)]=42316

dau inimă și coroană​ și repede pls


Răspuns :

Răspuns:

a=2

Explicație pas cu pas:

[48+50x100:(28:a+3x2)-14]x[(50-4x5)+ (143-4x6) =42316

[48+50x100:(28:a+6)-14]x[(50-20)+(143-24)]=42316

[48+5000:(28:a+6)-14]x(30+119)=42316

[48+5000:(28:a+6)-14]x149=42316

48+5000:(28:a+6)-14=42316:149

48+5000:(28:a+6)-14=284

48+5000:(28:a+6)=284+14

48+5000:(28:a+6)=298

5000:(28:a+6)=298-48

5000:(28:a+6)=250

28:a+6=5000:250

28:a+6=20

28:a=20-6

28:a=14

a=28:14

a=2