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Dododenis
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Dau coroana *** urgent
Aflati nr.necunoscut (clasa a 4)
a+800:25=800
x+792:36=192
376+2812:a+4891:67+73=559

Răspuns :

1)a+800:25=800
a+32=800
a=800-32
a=768

2)x+792:36=192
x+22=192
x=192-22
x=170

3)376+2812:a+4891:67+73=559
376+2812:a+73+73=559
2812:a+522=559
2812:a=559-522
2812:a=37
a=2812:37
a=76
a+32=800
a=800-32
a=768

x+22=192
x=192-22
x=170

376+2812:a+4891:67+73=559
376+2812:a+73+73=559
376+2812:a+73=559-73
376+2812:a+73=486
376+2812:a=413
2812:a=413-376
2812:a=37
a=2812:37
a=76

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