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aflati pe x din 51-(2660:76+x):23=28

Răspuns :

51-(2660:76+x):23=28
(35+x):23=51-28
(35+x):23=23
35+x=23×23
35+x=529
x=529-35
x=494
51-(2660:76+x):23=28
51-(35 + x):23=28
(35+x) : 23 = 51- 28
(35+x):23=23
35+x=23
×23
35+x=529
x=529 - 35
x=494