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Anapablostefan
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Rezolvati,in numere naturale ,ecuatile. 11+4X{256:16+3x[175:25-4x(33-4x8)]}+19xX=2011

Răspuns :

Rapunzel15
11+4X{256:16+3x[175:25-4x(33-4x8)]}+19xX=2011
4×{16+3×[7-4×(33-32)]}+19×X = 2 011-11
[16+3×(7-4×1)]+19×X = 2 000:4
(3 × 3)+19 × X = 500 - 16
9 + 19 × X = 484
19 × X = 484 - 9
19 × X = 475
X = 475 : 19
X = 25

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