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BosuAndrei
a fost răspuns

27+27:3:3-2xa=10+6:3
33+81:9:3-3xY=5x3x2
99-36:6:2+5xZ=10x10+6x6

Răspuns :

Capsunica35
27+27:3:3-2xa=10+6:3
27+3-2a=10+2
-2a=12-30
-a=-18:2
a=9

33+81:9;3-3xy=5x3x2
33+3-3y=30
-3y=30-36
y=6:3
y=2

99-36:6;2+5xz=10x10+6x6
99-3+5z=100+36
5z=136-96
z=40:5
z=8

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