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Roberto01
a fost răspuns

1.44+44+a+a=132
a=a
?a
2.a+a+53+53=256 a= a
?a

Răspuns :

88+2a=132
2a=132-88
2a=44
a=22
V.44+44+22+22=132

2a+106=256
2a=256-106
2a=140
a=70
V.70+70+53+53=256