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Cum se face ex :11•11-{11-[2x-(x:2+56):10]:10}:10=120

Răspuns :

Renatemambouko

11•11-{11-[2x-(x:2+56):10]:10}:10=120
121-{11-[2x-(x:2+56):10]:10}=120-121
-{11-[2x-(x:2+56):10]:=-1×10
11-[2x-(x:2+56):10]:10=10
-[2x-(x:2+56):10]=10-11
-[2x-(x:2+56):10]=-1
2x-(x:2+56)=1×10
2x-x/2=10+56
3x/2=66
x=66×2/3=44


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