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a fost răspuns

Determinati valoarea lui m din :
28+8x[m-8:(7/4+3/4+3/2):(3/4+3/4+1/2)]=100

Răspuns :

[tex]28+8[m-8:( \frac{7}{4} + \frac{3}{4} + \frac{3}{2} ):( \frac{3}{4} + \frac{3}{4} + \frac{1}{2} )]=100 8(m-8:(10:4 + 3:2):(3:2+1:2) = 100-28=72 m-8:(5:2+3:2):2=72*8 m-8:4:2=72:8 m-1=9 m=10 [/tex]

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