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Mimi478maria973
a fost răspuns

x:10x10-X x10:10+Xx10:10+x=10x10

Răspuns :

x:10*10-x*10:10+x*10:10+x=10*10
x-x+x+x=100
2x=100
x=100:2
x=50
HawkEyed
X:10x10-X x10:10+Xx10:10+x=10x10
x - x + x +  x = 100 
2x = 100 
x = 100 : 2 
x = 50 

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