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200:(7y+144):25+132)×5-600)=2+0:10

Răspuns :

200:{[(7y+144):25+132]x5-600}=2+0:10
200:{[(7y+144):25+132]x5-600}=2
{[(7y+144):25+132]x5-600}=200:2
[(7y+144):25+132]x5-600=100
[(7y+144):25+132]x5=100+600
[(7y+144):25+132]x5=700
(7y+144):25+132=700:5
(7y+144):25+132=140
(7y+144):25=140-132
(7y+144):25=8
7y+144=8x25
7y+144=200
7y=200-144
7y=56
y=56:7
y=8

Mult succes la școală!