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Cami0202
a fost răspuns

Afla nr necuoscut:
♣ (9*4:6*7-48:8*5):a=3*(20:2:5*9-2*2*4)

Răspuns :

Iulica1
(9*4:6*7-48:8*5):a=3*(20:2:5*9-2*2*4)
(36:6*7-6*5):a=3*(10:5*9-16)
a=(6*7-6*5):3(2*9-16)
a=[6(7-5)]:3*(18-16)
a=(6*2):3*2
a=[tex] \frac{6*2}{3*2} =2[/tex]
Guss
(9x4:6x7-48:8x5):a=3x(20:2:5x9-2x2x4)
(36:6x7-48:8x5):a=3x(10:5x9-4x4)
(6x7-6x5):a=3x(2x9-16)
(42-30):a=3x(18-16)
12:a=3x2
12:a=6
a=12:6
a=2

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