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[a-(12x43+21x17)]:3=38


Răspuns :

[a-(12x43+21x17)]:3=38
[a-(516+357)]:3=38
[a-1389]= 38 x 3
a - 1389 = 114
a = 114 + 1389
a = 1503 . Sper ca te-am lamurit
[a-(516+357)]=38*3
a-873=114
a= 873+114
a=987