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{(a-416:4+2)×5+3}×2=1986

Răspuns :

{(a-104+2)x5+3}x2=1986
{(b+2)x5+3}x2=1986
(cx5+3)x2=1986
(d+3)x2=1986
ex2=1986
e=1986:2
e=993
d+3=993
d=993-3
d=990
cx5=990
c=990:5
c=198
b+2=198
b=198-2
b=196
a-104=196
a=196+104
a=300