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10+10÷{[10+10×(x-10)]÷10-10}=11​

Răspuns :

Mikelinaask

10+10:{[10+10×(x-10)]:10-10}=11

10:{[10+10×(x-10)]:10-10}=11-10

10+[10×(x-10)]:10-10=1×10

[10×(x-10)]:10-10=10-10

[10×(x-10)]:10=0+10

10×(x-10)=10×10

X-10=100:10

X=10+10

X=20

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