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Nicolas637
a fost răspuns

Afla valuarea lui y (y×8+640×6):4=3640

Răspuns :

( y × 8 + 640 × 6 ) : 4 = 3640

( y × 8 + 3840) = 3640

y × 8 = 3840 - 3640 =

y × 8 = 200 .

y = 200 : 8

y = 25
Anetud
(yx8+640x6):4=3640
(yx8+3840):4=3640
(yx8+3840)=14560
yx8=10720
y=1340

proba:
(1340x8+640x6):4=
=(10720+3840):4=
=14560:4=
=3640