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2402×[850-4×(900-850)+(a-50)]=1560

Răspuns :

Emi2504

Răspuns:

2402×[850-4×(900-850)+(a-50)]=1560

2402×[850-4×50+(a-50)]=1560

2402×[850-200+(a-50)]=1560

2402×[650+(a-50)]=1560

650+(a-50)=1560:2402

650+(a-50)=0,64

a-50=-649,36

a=-649,36+50

a=-599,36

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