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7:[ax(4+8):2+a]+3=4 ;[14-(6:a+4)xa]:4=1 ;va rog rezolvare mai simpla multumesc









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Răspuns :

Didi12342
7:[ax(4+8):2+a]+3=4
7:(ax12:2+a) = 4-3
7:(ax6+a) = 1
ax6+a = 7:1
a×6+a = 7
7×a = 7
a = 7:7
a = 1

[14-(6:a+4)xa]:4=1
14-(6:a+4)xa = 1×4
(6:a+4)×a = 14-4
(6:a+4)×a = 10
6:a+4 = 10:a /×a
6 + 4×a = 10
4×a = 10-6
4×a = 4
a = 1

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