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[(21109: a+1969):10+532]:73×15-50=100
vă rog repede dau coroană​


Răspuns :

Răspuns:

a=1878701

Explicație pas cu pas:

[(21109:a+1969):10+532]:72x15=100+50

[(21109:a+1969):10+532]:72x15=150

(21109:a+1969):10+532:72=150:15

(21109:a+1969):10+532:72=10

(21109:a+1969):10+532=72x10

(21109:a+1969):10+532=720

(21109:a+1969):10=720-532

(21109:a+1969):10=188

21109:a+1969=188x10

21109:a+1969=1880

21109:a=1969-1880

21109:a=89

a=21109x89

a=1878701