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Ddiaconu27
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Calculati
2,5.[6,4+2.(9,75-7,25)-5.(0,4)²]

Răspuns :

Capsunica35
2,5*[6,4+2*(9,75-7,25)-5*0,4²]=
= 2,5*(6,4+2*2,5-5*0,16)=
= 2,5*(6,4+5-0,8)=
= 2,5*(11,4-0,8)=
= 2,5*10,6= 26,5 

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