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x+112-65=(118+364)-9

Răspuns :

x+112-65=(118+364)-9
x+112-65=482-9
x+112-65=473
x+112=473+65
x+112=538
x=538-112
x=426
x+122-65=(118+364)-9
x+112-65=482-9
x+112-65=473
x+47=473
x=473-47
x=426